257350563

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{13159}}^1$

素因数の和:13259

約数の個数: 24

約数和(自身を含む): 388009440

約数和(自身を除く): 130658877

約数列:

[1, 3, 9, 41, 53, 123, 159, 369, 477, 2173, 6519, 13159, 19557, 39477, 118431, 539519, 697427, 1618557, 2092281, 4855671, 6276843, 28594507, 85783521, 257350563]

約数ペア:

[(1, 257350563), (3, 85783521), (9, 28594507), (41, 6276843), (53, 4855671), (123, 2092281), (159, 1618557), (369, 697427), (477, 539519), (2173, 118431), (6519, 39477), (13159, 19557)]