66663645

素因数分解:

$3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{6869}}^1$

素因数の和:7524

約数の個数: 16

約数和(自身を含む): 106842240

約数和(自身を除く): 40178595

約数列:

[1, 3, 5, 15, 647, 1941, 3235, 6869, 9705, 20607, 34345, 103035, 4444243, 13332729, 22221215, 66663645]

約数ペア:

[(1, 66663645), (3, 22221215), (5, 13332729), (15, 4444243), (647, 103035), (1941, 34345), (3235, 20607), (6869, 9705)]