211255425

素因数分解:

$3^3\times 5^2\times {\mathrm{312971}}^1$

素因数の和:312990

約数の個数: 24

約数和(自身を含む): 388085280

約数和(自身を除く): 176829855

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 312971, 938913, 1564855, 2816739, 4694565, 7824275, 8450217, 14083695, 23472825, 42251085, 70418475, 211255425]

約数ペア:

[(1, 211255425), (3, 70418475), (5, 42251085), (9, 23472825), (15, 14083695), (25, 8450217), (27, 7824275), (45, 4694565), (75, 2816739), (135, 1564855), (225, 938913), (675, 312971)]