3199905

素因数分解:

$3^4\times 5^1\times {\mathrm{7901}}^1$

素因数の和:7918

約数の個数: 20

約数和(自身を含む): 5736852

約数和(自身を除く): 2536947

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 7901, 23703, 39505, 71109, 118515, 213327, 355545, 639981, 1066635, 3199905]

約数ペア:

[(1, 3199905), (3, 1066635), (5, 639981), (9, 355545), (15, 213327), (27, 118515), (45, 71109), (81, 39505), (135, 23703), (405, 7901)]