161748615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81077}}^1$

素因数の和:81111

約数の個数: 32

約数和(自身を含む): 311339520

約数和(自身を除く): 149590905

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 81077, 243231, 405385, 567539, 1216155, 1540463, 1702617, 2837695, 4621389, 7702315, 8513085, 10783241, 23106945, 32349723, 53916205, 161748615]

約数ペア:

[(1, 161748615), (3, 53916205), (5, 32349723), (7, 23106945), (15, 10783241), (19, 8513085), (21, 7702315), (35, 4621389), (57, 2837695), (95, 1702617), (105, 1540463), (133, 1216155), (285, 567539), (399, 405385), (665, 243231), (1995, 81077)]