12945825

素因数分解:

$3^5\times 5^2\times {\mathrm{2131}}^1$

素因数の和:2156

約数の個数: 36

約数和(自身を含む): 24057488

約数和(自身を除く): 11111663

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 2131, 6075, 6393, 10655, 19179, 31965, 53275, 57537, 95895, 159825, 172611, 287685, 479475, 517833, 863055, 1438425, 2589165, 4315275, 12945825]

約数ペア:

[(1, 12945825), (3, 4315275), (5, 2589165), (9, 1438425), (15, 863055), (25, 517833), (27, 479475), (45, 287685), (75, 172611), (81, 159825), (135, 95895), (225, 57537), (243, 53275), (405, 31965), (675, 19179), (1215, 10655), (2025, 6393), (2131, 6075)]