256473285

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397633}}^1$

素因数の和:397684

約数の個数: 16

約数和(自身を含む): 419901504

約数和(自身を除く): 163428219

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 397633, 1192899, 1988165, 5964495, 17098219, 51294657, 85491095, 256473285]

約数ペア:

[(1, 256473285), (3, 85491095), (5, 51294657), (15, 17098219), (43, 5964495), (129, 1988165), (215, 1192899), (645, 397633)]