12990375

素因数分解:

$3^4\times 5^3\times {\mathrm{1283}}^1$

素因数の和:1310

約数の個数: 40

約数和(自身を含む): 24236784

約数和(自身を除く): 11246409

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 1283, 2025, 3375, 3849, 6415, 10125, 11547, 19245, 32075, 34641, 57735, 96225, 103923, 160375, 173205, 288675, 481125, 519615, 866025, 1443375, 2598075, 4330125, 12990375]

約数ペア:

[(1, 12990375), (3, 4330125), (5, 2598075), (9, 1443375), (15, 866025), (25, 519615), (27, 481125), (45, 288675), (75, 173205), (81, 160375), (125, 103923), (135, 96225), (225, 57735), (375, 34641), (405, 32075), (675, 19245), (1125, 11547), (1283, 10125), (2025, 6415), (3375, 3849)]