398045151

素因数分解:

$3^3\times 7^1\times {\mathrm{2106059}}^1$

素因数の和:2106075

約数の個数: 16

約数和(自身を含む): 673939200

約数和(自身を除く): 275894049

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2106059, 6318177, 14742413, 18954531, 44227239, 56863593, 132681717, 398045151]

約数ペア:

[(1, 398045151), (3, 132681717), (7, 56863593), (9, 44227239), (21, 18954531), (27, 14742413), (63, 6318177), (189, 2106059)]