71566275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 129991680

約数和(自身を除く): 58425405

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 223, 275, 389, 669, 825, 1115, 1167, 1945, 2453, 3345, 4279, 5575, 5835, 7359, 9725, 12265, 12837, 16725, 21395, 29175, 36795, 61325, 64185, 86747, 106975, 183975, 260241, 320925, 433735, 954217, 1301205, 2168675, 2862651, 4771085, 6506025, 14313255, 23855425, 71566275]

約数ペア:

[(1, 71566275), (3, 23855425), (5, 14313255), (11, 6506025), (15, 4771085), (25, 2862651), (33, 2168675), (55, 1301205), (75, 954217), (165, 433735), (223, 320925), (275, 260241), (389, 183975), (669, 106975), (825, 86747), (1115, 64185), (1167, 61325), (1945, 36795), (2453, 29175), (3345, 21395), (4279, 16725), (5575, 12837), (5835, 12265), (7359, 9725)]