2566575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 5396976

約数和(自身を除く): 2830401

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 61, 75, 85, 99, 153, 165, 183, 187, 225, 255, 275, 305, 425, 495, 549, 561, 671, 765, 825, 915, 935, 1037, 1275, 1525, 1683, 2013, 2475, 2745, 2805, 3111, 3355, 3825, 4575, 4675, 5185, 6039, 8415, 9333, 10065, 11407, 13725, 14025, 15555, 16775, 25925, 30195, 34221, 42075, 46665, 50325, 57035, 77775, 102663, 150975, 171105, 233325, 285175, 513315, 855525, 2566575]

約数ペア:

[(1, 2566575), (3, 855525), (5, 513315), (9, 285175), (11, 233325), (15, 171105), (17, 150975), (25, 102663), (33, 77775), (45, 57035), (51, 50325), (55, 46665), (61, 42075), (75, 34221), (85, 30195), (99, 25925), (153, 16775), (165, 15555), (183, 14025), (187, 13725), (225, 11407), (255, 10065), (275, 9333), (305, 8415), (425, 6039), (495, 5185), (549, 4675), (561, 4575), (671, 3825), (765, 3355), (825, 3111), (915, 2805), (935, 2745), (1037, 2475), (1275, 2013), (1525, 1683)]