75318255

素因数分解:

$3^4\times 5^1\times {\mathrm{185971}}^1$

素因数の和:185988

約数の個数: 20

約数和(自身を含む): 135015672

約数和(自身を除く): 59697417

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 185971, 557913, 929855, 1673739, 2789565, 5021217, 8368695, 15063651, 25106085, 75318255]

約数ペア:

[(1, 75318255), (3, 25106085), (5, 15063651), (9, 8368695), (15, 5021217), (27, 2789565), (45, 1673739), (81, 929855), (135, 557913), (405, 185971)]