201231905

素因数分解:

$5^1\times 7^1\times {\mathrm{1667}}^1\times {\mathrm{3449}}^1$

素因数の和:5128

約数の個数: 16

約数和(自身を含む): 276220800

約数和(自身を除く): 74988895

約数列:

[1, 5, 7, 35, 1667, 3449, 8335, 11669, 17245, 24143, 58345, 120715, 5749483, 28747415, 40246381, 201231905]

約数ペア:

[(1, 201231905), (5, 40246381), (7, 28747415), (35, 5749483), (1667, 120715), (3449, 58345), (8335, 24143), (11669, 17245)]