39489645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 68366592

約数和(自身を除く): 28876947

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 313, 647, 939, 1565, 1941, 3235, 4069, 4695, 8411, 9705, 12207, 20345, 25233, 42055, 61035, 126165, 202511, 607533, 1012555, 2632643, 3037665, 7897929, 13163215, 39489645]

約数ペア:

[(1, 39489645), (3, 13163215), (5, 7897929), (13, 3037665), (15, 2632643), (39, 1012555), (65, 607533), (195, 202511), (313, 126165), (647, 61035), (939, 42055), (1565, 25233), (1941, 20345), (3235, 12207), (4069, 9705), (4695, 8411)]