75671775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 147530240

約数和(自身を除く): 71858465

約数列:

[1, 3, 5, 9, 15, 19, 25, 31, 45, 57, 75, 93, 95, 155, 171, 225, 279, 285, 465, 475, 571, 589, 775, 855, 1395, 1425, 1713, 1767, 2325, 2855, 2945, 4275, 5139, 5301, 6975, 8565, 8835, 10849, 14275, 14725, 17701, 25695, 26505, 32547, 42825, 44175, 53103, 54245, 88505, 97641, 128475, 132525, 159309, 162735, 265515, 271225, 336319, 442525, 488205, 796545, 813675, 1008957, 1327575, 1681595, 2441025, 3026871, 3982725, 5044785, 8407975, 15134355, 25223925, 75671775]

約数ペア:

[(1, 75671775), (3, 25223925), (5, 15134355), (9, 8407975), (15, 5044785), (19, 3982725), (25, 3026871), (31, 2441025), (45, 1681595), (57, 1327575), (75, 1008957), (93, 813675), (95, 796545), (155, 488205), (171, 442525), (225, 336319), (279, 271225), (285, 265515), (465, 162735), (475, 159309), (571, 132525), (589, 128475), (775, 97641), (855, 88505), (1395, 54245), (1425, 53103), (1713, 44175), (1767, 42825), (2325, 32547), (2855, 26505), (2945, 25695), (4275, 17701), (5139, 14725), (5301, 14275), (6975, 10849), (8565, 8835)]