206371851

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^2\times {\mathrm{431}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 317302272

約数和(自身を除く): 110930421

約数列:

[1, 3, 7, 21, 151, 431, 453, 1057, 1293, 3017, 3171, 9051, 22801, 65081, 68403, 159607, 195243, 455567, 478821, 1366701, 9827231, 29481693, 68790617, 206371851]

約数ペア:

[(1, 206371851), (3, 68790617), (7, 29481693), (21, 9827231), (151, 1366701), (431, 478821), (453, 455567), (1057, 195243), (1293, 159607), (3017, 68403), (3171, 65081), (9051, 22801)]