1523647575

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{751}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 2792964096

約数和(自身を除く): 1269316521

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 127, 213, 225, 355, 381, 635, 639, 751, 1065, 1143, 1775, 1905, 2253, 3175, 3195, 3755, 5325, 5715, 6759, 9017, 9525, 11265, 15975, 18775, 27051, 28575, 33795, 45085, 53321, 56325, 81153, 95377, 135255, 159963, 168975, 225425, 266605, 286131, 405765, 476885, 479889, 676275, 799815, 858393, 1333025, 1430655, 2028825, 2384425, 2399445, 3999075, 4291965, 6771767, 7153275, 11997225, 20315301, 21459825, 33858835, 60945903, 101576505, 169294175, 304729515, 507882525, 1523647575]

約数ペア:

[(1, 1523647575), (3, 507882525), (5, 304729515), (9, 169294175), (15, 101576505), (25, 60945903), (45, 33858835), (71, 21459825), (75, 20315301), (127, 11997225), (213, 7153275), (225, 6771767), (355, 4291965), (381, 3999075), (635, 2399445), (639, 2384425), (751, 2028825), (1065, 1430655), (1143, 1333025), (1775, 858393), (1905, 799815), (2253, 676275), (3175, 479889), (3195, 476885), (3755, 405765), (5325, 286131), (5715, 266605), (6759, 225425), (9017, 168975), (9525, 159963), (11265, 135255), (15975, 95377), (18775, 81153), (27051, 56325), (28575, 53321), (33795, 45085)]