15501984975

素因数分解:

$3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{2633}}^1$

素因数の和:2977

約数の個数: 72

約数和(自身を含む): 28125556992

約数和(自身を除く): 12623572017

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 137, 191, 225, 411, 573, 685, 955, 1233, 1719, 2055, 2633, 2865, 3425, 4775, 6165, 7899, 8595, 10275, 13165, 14325, 23697, 26167, 30825, 39495, 42975, 65825, 78501, 118485, 130835, 197475, 235503, 360721, 392505, 502903, 592425, 654175, 1082163, 1177515, 1508709, 1803605, 1962525, 2514515, 3246489, 4526127, 5410815, 5887575, 7543545, 9018025, 12572575, 16232445, 22630635, 27054075, 37717725, 68897711, 81162225, 113153175, 206693133, 344488555, 620079399, 1033465665, 1722442775, 3100396995, 5167328325, 15501984975]

約数ペア:

[(1, 15501984975), (3, 5167328325), (5, 3100396995), (9, 1722442775), (15, 1033465665), (25, 620079399), (45, 344488555), (75, 206693133), (137, 113153175), (191, 81162225), (225, 68897711), (411, 37717725), (573, 27054075), (685, 22630635), (955, 16232445), (1233, 12572575), (1719, 9018025), (2055, 7543545), (2633, 5887575), (2865, 5410815), (3425, 4526127), (4775, 3246489), (6165, 2514515), (7899, 1962525), (8595, 1803605), (10275, 1508709), (13165, 1177515), (14325, 1082163), (23697, 654175), (26167, 592425), (30825, 502903), (39495, 392505), (42975, 360721), (65825, 235503), (78501, 197475), (118485, 130835)]