2823255

素因数分解:

$3^4\times 5^1\times {\mathrm{6971}}^1$

素因数の和:6988

約数の個数: 20

約数和(自身を含む): 5061672

約数和(自身を除く): 2238417

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6971, 20913, 34855, 62739, 104565, 188217, 313695, 564651, 941085, 2823255]

約数ペア:

[(1, 2823255), (3, 941085), (5, 564651), (9, 313695), (15, 188217), (27, 104565), (45, 62739), (81, 34855), (135, 20913), (405, 6971)]