2181728415

素因数分解:

$3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{603521}}^1$

素因数の和:603770

約数の個数: 16

約数和(自身を含む): 3505255776

約数和(自身を除く): 1323527361

約数列:

[1, 3, 5, 15, 241, 723, 1205, 3615, 603521, 1810563, 3017605, 9052815, 145448561, 436345683, 727242805, 2181728415]

約数ペア:

[(1, 2181728415), (3, 727242805), (5, 436345683), (15, 145448561), (241, 9052815), (723, 3017605), (1205, 1810563), (3615, 603521)]