About the Number

121421531

121421530 ← → 121421532

2進数表記:111001111001011111011011011

漢数字表記:一億二千百四十二万千五百三十一

素因数分解:

7 1 × 11 1 × 17 1 × 23 1 × 37 1 × 109 1

素因数の和:204
約数の個数: 64
約数和(自身を含む): 173352960
約数和(自身を除く): 51931429

約数列:
[1, 7, 11, 17, 23, 37, 77, 109, 119, 161, 187, 253, 259, 391, 407, 629, 763, 851, 1199, 1309, 1771, 1853, 2507, 2737, 2849, 4033, 4301, 4403, 5957, 6919, 8393, 9361, 12971, 14467, 17549, 20383, 27577, 28231, 30107, 42619, 44363, 48433, 65527, 68561, 92759, 101269, 142681, 159137, 193039, 298333, 310541, 468809, 479927, 649313, 754171, 1020349, 1113959, 1576903, 3281663, 5279197, 7142443, 11038321, 17345933, 121421531]

約数ペア:
[(1, 121421531), (7, 17345933), (11, 11038321), (17, 7142443), (23, 5279197), (37, 3281663), (77, 1576903), (109, 1113959), (119, 1020349), (161, 754171), (187, 649313), (253, 479927), (259, 468809), (391, 310541), (407, 298333), (629, 193039), (763, 159137), (851, 142681), (1199, 101269), (1309, 92759), (1771, 68561), (1853, 65527), (2507, 48433), (2737, 44363), (2849, 42619), (4033, 30107), (4301, 28231), (4403, 27577), (5957, 20383), (6919, 17549), (8393, 14467), (9361, 12971)]

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