15693639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21179}}^1$

素因数の和:21214

約数の個数: 16

約数和(自身を含む): 23721600

約数和(自身を除く): 8027961

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 21179, 63537, 275327, 402401, 825981, 1207203, 5231213, 15693639]

約数ペア:

[(1, 15693639), (3, 5231213), (13, 1207203), (19, 825981), (39, 402401), (57, 275327), (247, 63537), (741, 21179)]