331380385

素因数分解:

$5^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{3373}}^1$

素因数の和:3793

約数の個数: 24

約数和(自身を含む): 463871016

約数和(自身を除く): 132490631

約数列:

[1, 5, 7, 35, 49, 245, 401, 2005, 2807, 3373, 14035, 16865, 19649, 23611, 98245, 118055, 165277, 826385, 1352573, 6762865, 9468011, 47340055, 66276077, 331380385]

約数ペア:

[(1, 331380385), (5, 66276077), (7, 47340055), (35, 9468011), (49, 6762865), (245, 1352573), (401, 826385), (2005, 165277), (2807, 118055), (3373, 98245), (14035, 23611), (16865, 19649)]