123239145

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{47491}}^1$

素因数の和:47672

約数の個数: 16

約数和(自身を含む): 198326592

約数和(自身を除く): 75087447

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 47491, 142473, 237455, 712365, 8215943, 24647829, 41079715, 123239145]

約数ペア:

[(1, 123239145), (3, 41079715), (5, 24647829), (15, 8215943), (173, 712365), (519, 237455), (865, 142473), (2595, 47491)]