12956775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 23477664

約数和(自身を除く): 10520889

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 97, 137, 195, 291, 325, 411, 485, 685, 975, 1261, 1455, 1781, 2055, 2425, 3425, 3783, 5343, 6305, 7275, 8905, 10275, 13289, 18915, 26715, 31525, 39867, 44525, 66445, 94575, 133575, 172757, 199335, 332225, 518271, 863785, 996675, 2591355, 4318925, 12956775]

約数ペア:

[(1, 12956775), (3, 4318925), (5, 2591355), (13, 996675), (15, 863785), (25, 518271), (39, 332225), (65, 199335), (75, 172757), (97, 133575), (137, 94575), (195, 66445), (291, 44525), (325, 39867), (411, 31525), (485, 26715), (685, 18915), (975, 13289), (1261, 10275), (1455, 8905), (1781, 7275), (2055, 6305), (2425, 5343), (3425, 3783)]