1340075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{443}}^1$

素因数の和:475

約数の個数: 18

約数和(自身を含む): 1830612

約数和(自身を除く): 490537

約数列:

[1, 5, 11, 25, 55, 121, 275, 443, 605, 2215, 3025, 4873, 11075, 24365, 53603, 121825, 268015, 1340075]

約数ペア:

[(1, 1340075), (5, 268015), (11, 121825), (25, 53603), (55, 24365), (121, 11075), (275, 4873), (443, 3025), (605, 2215)]