3153215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 4116000

約数和(自身を除く): 962785

約数列:

[1, 5, 13, 65, 139, 349, 695, 1745, 1807, 4537, 9035, 22685, 48511, 242555, 630643, 3153215]

約数ペア:

[(1, 3153215), (5, 630643), (13, 242555), (65, 48511), (139, 22685), (349, 9035), (695, 4537), (1745, 1807)]