2728321225

素因数分解:

$5^2\times 7^2\times {\mathrm{2227201}}^1$

素因数の和:2227225

約数の個数: 18

約数和(自身を含む): 3935465934

約数和(自身を除く): 1207144709

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 2227201, 11136005, 15590407, 55680025, 77952035, 109132849, 389760175, 545664245, 2728321225]

約数ペア:

[(1, 2728321225), (5, 545664245), (7, 389760175), (25, 109132849), (35, 77952035), (49, 55680025), (175, 15590407), (245, 11136005), (1225, 2227201)]