201235895

素因数分解:

$5^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{1951}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 281720448

約数和(自身を除く): 80484553

約数列:

[1, 5, 7, 35, 49, 245, 421, 1951, 2105, 2947, 9755, 13657, 14735, 20629, 68285, 95599, 103145, 477995, 821371, 4106855, 5749597, 28747985, 40247179, 201235895]

約数ペア:

[(1, 201235895), (5, 40247179), (7, 28747985), (35, 5749597), (49, 4106855), (245, 821371), (421, 477995), (1951, 103145), (2105, 95599), (2947, 68285), (9755, 20629), (13657, 14735)]