18166275

素因数分解:

$3^4\times 5^2\times {\mathrm{8971}}^1$

素因数の和:8993

約数の個数: 30

約数和(自身を含む): 33653972

約数和(自身を除く): 15487697

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 8971, 26913, 44855, 80739, 134565, 224275, 242217, 403695, 672825, 726651, 1211085, 2018475, 3633255, 6055425, 18166275]

約数ペア:

[(1, 18166275), (3, 6055425), (5, 3633255), (9, 2018475), (15, 1211085), (25, 726651), (27, 672825), (45, 403695), (75, 242217), (81, 224275), (135, 134565), (225, 80739), (405, 44855), (675, 26913), (2025, 8971)]