2921265

素因数分解:

$3^4\times 5^1\times {\mathrm{7213}}^1$

素因数の和:7230

約数の個数: 20

約数和(自身を含む): 5237364

約数和(自身を除く): 2316099

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 7213, 21639, 36065, 64917, 108195, 194751, 324585, 584253, 973755, 2921265]

約数ペア:

[(1, 2921265), (3, 973755), (5, 584253), (9, 324585), (15, 194751), (27, 108195), (45, 64917), (81, 36065), (135, 21639), (405, 7213)]