397996851

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{89821}}^1$

素因数の和:90042

約数の個数: 16

約数和(自身を含む): 609352448

約数和(自身を除く): 211355597

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 89821, 269463, 628747, 1886241, 18952231, 56856693, 132665617, 397996851]

約数ペア:

[(1, 397996851), (3, 132665617), (7, 56856693), (21, 18952231), (211, 1886241), (633, 628747), (1477, 269463), (4431, 89821)]