15240005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{691}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 20029248

約数和(自身を除く): 4789243

約数列:

[1, 5, 11, 55, 401, 691, 2005, 3455, 4411, 7601, 22055, 38005, 277091, 1385455, 3048001, 15240005]

約数ペア:

[(1, 15240005), (5, 3048001), (11, 1385455), (55, 277091), (401, 38005), (691, 22055), (2005, 7601), (3455, 4411)]