13405419

素因数分解:

$3^4\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:832

約数の個数: 20

約数和(自身を含む): 20124720

約数和(自身を除く): 6719301

約数列:

[1, 3, 9, 27, 81, 359, 461, 1077, 1383, 3231, 4149, 9693, 12447, 29079, 37341, 165499, 496497, 1489491, 4468473, 13405419]

約数ペア:

[(1, 13405419), (3, 4468473), (9, 1489491), (27, 496497), (81, 165499), (359, 37341), (461, 29079), (1077, 12447), (1383, 9693), (3231, 4149)]