38984985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 73592064

約数和(自身を除く): 34607079

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 103, 117, 195, 309, 515, 585, 647, 927, 1339, 1545, 1941, 3235, 4017, 4635, 5823, 6695, 8411, 9705, 12051, 20085, 25233, 29115, 42055, 60255, 66641, 75699, 126165, 199923, 333205, 378495, 599769, 866333, 999615, 2598999, 2998845, 4331665, 7796997, 12994995, 38984985]

約数ペア:

[(1, 38984985), (3, 12994995), (5, 7796997), (9, 4331665), (13, 2998845), (15, 2598999), (39, 999615), (45, 866333), (65, 599769), (103, 378495), (117, 333205), (195, 199923), (309, 126165), (515, 75699), (585, 66641), (647, 60255), (927, 42055), (1339, 29115), (1545, 25233), (1941, 20085), (3235, 12051), (4017, 9705), (4635, 8411), (5823, 6695)]