About the Number

201321225

201321224 ← → 201321226

2進数表記:1011111111111110101100001001

漢数字表記:二億百三十二万千二百二十五

素因数分解:

3 2 × 5 2 × 7 1 × 17 1 × 73 1 × 103 1

素因数の和:216
約数の個数: 144
約数和(自身を含む): 446614272
約数和(自身を除く): 245293047

約数列:
[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 73, 75, 85, 103, 105, 119, 153, 175, 219, 225, 255, 309, 315, 357, 365, 425, 511, 515, 525, 595, 657, 721, 765, 927, 1071, 1095, 1241, 1275, 1533, 1545, 1575, 1751, 1785, 1825, 2163, 2555, 2575, 2975, 3285, 3605, 3723, 3825, 4599, 4635, 5253, 5355, 5475, 6205, 6489, 7519, 7665, 7725, 8687, 8755, 8925, 10815, 11169, 12257, 12775, 15759, 16425, 18025, 18615, 22557, 22995, 23175, 26061, 26265, 26775, 31025, 32445, 36771, 37595, 38325, 43435, 43775, 52633, 54075, 55845, 61285, 67671, 78183, 78795, 93075, 110313, 112785, 114975, 127823, 130305, 131325, 157899, 162225, 183855, 187975, 217175, 263165, 279225, 306425, 338355, 383469, 390915, 393975, 473697, 551565, 563925, 639115, 651525, 789495, 894761, 919275, 1150407, 1315825, 1691775, 1917345, 1954575, 2368485, 2684283, 2757825, 3195575, 3947475, 4473805, 5752035, 8052849, 9586725, 11842425, 13421415, 22369025, 28760175, 40264245, 67107075, 201321225]

約数ペア:
[(1, 201321225), (3, 67107075), (5, 40264245), (7, 28760175), (9, 22369025), (15, 13421415), (17, 11842425), (21, 9586725), (25, 8052849), (35, 5752035), (45, 4473805), (51, 3947475), (63, 3195575), (73, 2757825), (75, 2684283), (85, 2368485), (103, 1954575), (105, 1917345), (119, 1691775), (153, 1315825), (175, 1150407), (219, 919275), (225, 894761), (255, 789495), (309, 651525), (315, 639115), (357, 563925), (365, 551565), (425, 473697), (511, 393975), (515, 390915), (525, 383469), (595, 338355), (657, 306425), (721, 279225), (765, 263165), (927, 217175), (1071, 187975), (1095, 183855), (1241, 162225), (1275, 157899), (1533, 131325), (1545, 130305), (1575, 127823), (1751, 114975), (1785, 112785), (1825, 110313), (2163, 93075), (2555, 78795), (2575, 78183), (2975, 67671), (3285, 61285), (3605, 55845), (3723, 54075), (3825, 52633), (4599, 43775), (4635, 43435), (5253, 38325), (5355, 37595), (5475, 36771), (6205, 32445), (6489, 31025), (7519, 26775), (7665, 26265), (7725, 26061), (8687, 23175), (8755, 22995), (8925, 22557), (10815, 18615), (11169, 18025), (12257, 16425), (12775, 15759)]

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