81560505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{418259}}^1$

素因数の和:418280

約数の個数: 16

約数和(自身を含む): 140535360

約数和(自身を除く): 58974855

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 418259, 1254777, 2091295, 5437367, 6273885, 16312101, 27186835, 81560505]

約数ペア:

[(1, 81560505), (3, 27186835), (5, 16312101), (13, 6273885), (15, 5437367), (39, 2091295), (65, 1254777), (195, 418259)]