26280855

素因数分解:

$3^4\times 5^1\times {\mathrm{64891}}^1$

素因数の和:64908

約数の個数: 20

約数和(自身を含む): 47111592

約数和(自身を除く): 20830737

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 64891, 194673, 324455, 584019, 973365, 1752057, 2920095, 5256171, 8760285, 26280855]

約数ペア:

[(1, 26280855), (3, 8760285), (5, 5256171), (9, 2920095), (15, 1752057), (27, 973365), (45, 584019), (81, 324455), (135, 194673), (405, 64891)]