5640975

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 10609440

約数和(自身を除く): 4968465

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 137, 183, 225, 305, 411, 549, 675, 685, 915, 1233, 1525, 1647, 2055, 2745, 3425, 3699, 4575, 6165, 8235, 8357, 10275, 13725, 18495, 25071, 30825, 41175, 41785, 75213, 92475, 125355, 208925, 225639, 376065, 626775, 1128195, 1880325, 5640975]

約数ペア:

[(1, 5640975), (3, 1880325), (5, 1128195), (9, 626775), (15, 376065), (25, 225639), (27, 208925), (45, 125355), (61, 92475), (75, 75213), (135, 41785), (137, 41175), (183, 30825), (225, 25071), (305, 18495), (411, 13725), (549, 10275), (675, 8357), (685, 8235), (915, 6165), (1233, 4575), (1525, 3699), (1647, 3425), (2055, 2745)]