15865005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81359}}^1$

素因数の和:81380

約数の個数: 16

約数和(自身を含む): 27336960

約数和(自身を除く): 11471955

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 81359, 244077, 406795, 1057667, 1220385, 3173001, 5288335, 15865005]

約数ペア:

[(1, 15865005), (3, 5288335), (5, 3173001), (13, 1220385), (15, 1057667), (39, 406795), (65, 244077), (195, 81359)]