7042545

素因数分解:

$3^4\times 5^1\times {\mathrm{17389}}^1$

素因数の和:17406

約数の個数: 20

約数和(自身を含む): 12625140

約数和(自身を除く): 5582595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 17389, 52167, 86945, 156501, 260835, 469503, 782505, 1408509, 2347515, 7042545]

約数ペア:

[(1, 7042545), (3, 2347515), (5, 1408509), (9, 782505), (15, 469503), (27, 260835), (45, 156501), (81, 86945), (135, 52167), (405, 17389)]