30721873

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2837}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 40765032

約数和(自身を除く): 10043159

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 2837, 10829, 19859, 36881, 48229, 139013, 258167, 337603, 626977, 1807169, 2363221, 4388839, 30721873]

約数ペア:

[(1, 30721873), (7, 4388839), (13, 2363221), (17, 1807169), (49, 626977), (91, 337603), (119, 258167), (221, 139013), (637, 48229), (833, 36881), (1547, 19859), (2837, 10829)]