161205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 281664

約数和(自身を除く): 120459

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 977, 2931, 4885, 10747, 14655, 32241, 53735, 161205]

約数ペア:

[(1, 161205), (3, 53735), (5, 32241), (11, 14655), (15, 10747), (33, 4885), (55, 2931), (165, 977)]