28456701

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{14891}}^1$

素因数の和:14921

約数の個数: 24

約数和(自身を含む): 47535264

約数和(自身を除く): 19078563

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 14891, 44673, 104237, 193583, 312711, 580749, 729659, 1355081, 2188977, 4065243, 9485567, 28456701]

約数ペア:

[(1, 28456701), (3, 9485567), (7, 4065243), (13, 2188977), (21, 1355081), (39, 729659), (49, 580749), (91, 312711), (147, 193583), (273, 104237), (637, 44673), (1911, 14891)]