4721157

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 7864896

約数和(自身を除く): 3143739

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 547, 959, 1233, 1641, 2877, 3829, 4923, 8631, 11487, 34461, 74939, 224817, 524573, 674451, 1573719, 4721157]

約数ペア:

[(1, 4721157), (3, 1573719), (7, 674451), (9, 524573), (21, 224817), (63, 74939), (137, 34461), (411, 11487), (547, 8631), (959, 4923), (1233, 3829), (1641, 2877)]