131801665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{21139}}^1$

素因数の和:21216

約数の個数: 16

約数和(自身を含む): 167428800

約数和(自身を除く): 35627135

約数列:

[1, 5, 29, 43, 145, 215, 1247, 6235, 21139, 105695, 613031, 908977, 3065155, 4544885, 26360333, 131801665]

約数ペア:

[(1, 131801665), (5, 26360333), (29, 4544885), (43, 3065155), (145, 908977), (215, 613031), (1247, 105695), (6235, 21139)]