39788775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 78356096

約数和(自身を除く): 38567321

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 61, 65, 75, 117, 183, 195, 223, 225, 305, 325, 549, 585, 669, 793, 915, 975, 1115, 1525, 2007, 2379, 2745, 2899, 2925, 3345, 3965, 4575, 5575, 7137, 8697, 10035, 11895, 13603, 13725, 14495, 16725, 19825, 26091, 35685, 40809, 43485, 50175, 59475, 68015, 72475, 122427, 130455, 176839, 178425, 204045, 217425, 340075, 530517, 612135, 652275, 884195, 1020225, 1591551, 2652585, 3060675, 4420975, 7957755, 13262925, 39788775]

約数ペア:

[(1, 39788775), (3, 13262925), (5, 7957755), (9, 4420975), (13, 3060675), (15, 2652585), (25, 1591551), (39, 1020225), (45, 884195), (61, 652275), (65, 612135), (75, 530517), (117, 340075), (183, 217425), (195, 204045), (223, 178425), (225, 176839), (305, 130455), (325, 122427), (549, 72475), (585, 68015), (669, 59475), (793, 50175), (915, 43485), (975, 40809), (1115, 35685), (1525, 26091), (2007, 19825), (2379, 16725), (2745, 14495), (2899, 13725), (2925, 13603), (3345, 11895), (3965, 10035), (4575, 8697), (5575, 7137)]