215519943

素因数分解:

$3^1\times {\mathrm{257}}^1\times {\mathrm{443}}^1\times {\mathrm{631}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 289587456

約数和(自身を除く): 74067513

約数列:

[1, 3, 257, 443, 631, 771, 1329, 1893, 113851, 162167, 279533, 341553, 486501, 838599, 71839981, 215519943]

約数ペア:

[(1, 215519943), (3, 71839981), (257, 838599), (443, 486501), (631, 341553), (771, 279533), (1329, 162167), (1893, 113851)]