400997145

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{621701}}^1$

素因数の和:621752

約数の個数: 16

約数和(自身を含む): 656517312

約数和(自身を除く): 255520167

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 621701, 1865103, 3108505, 9325515, 26733143, 80199429, 133665715, 400997145]

約数ペア:

[(1, 400997145), (3, 133665715), (5, 80199429), (15, 26733143), (43, 9325515), (129, 3108505), (215, 1865103), (645, 621701)]