12742665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 22208256

約数和(自身を除く): 9465591

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 647, 1313, 1515, 1941, 3235, 3939, 6565, 8411, 9705, 19695, 25233, 42055, 65347, 126165, 196041, 326735, 849511, 980205, 2548533, 4247555, 12742665]

約数ペア:

[(1, 12742665), (3, 4247555), (5, 2548533), (13, 980205), (15, 849511), (39, 326735), (65, 196041), (101, 126165), (195, 65347), (303, 42055), (505, 25233), (647, 19695), (1313, 9705), (1515, 8411), (1941, 6565), (3235, 3939)]