1240725

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 2089152

約数和(自身を除く): 848427

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 233, 355, 699, 1065, 1165, 1775, 3495, 5325, 5825, 16543, 17475, 49629, 82715, 248145, 413575, 1240725]

約数ペア:

[(1, 1240725), (3, 413575), (5, 248145), (15, 82715), (25, 49629), (71, 17475), (75, 16543), (213, 5825), (233, 5325), (355, 3495), (699, 1775), (1065, 1165)]