240150421

素因数分解:

$7^4\times {\mathrm{29}}^1\times {\mathrm{3449}}^1$

素因数の和:3506

約数の個数: 20

約数和(自身を含む): 289903500

約数和(自身を除く): 49753079

約数列:

[1, 7, 29, 49, 203, 343, 1421, 2401, 3449, 9947, 24143, 69629, 100021, 169001, 700147, 1183007, 4901029, 8281049, 34307203, 240150421]

約数ペア:

[(1, 240150421), (7, 34307203), (29, 8281049), (49, 4901029), (203, 1183007), (343, 700147), (1421, 169001), (2401, 100021), (3449, 69629), (9947, 24143)]