1621142015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{241421}}^1$

素因数の和:241522

約数の個数: 16

約数和(自身を含む): 2085886080

約数和(自身を除く): 464744065

約数列:

[1, 5, 17, 79, 85, 395, 1343, 6715, 241421, 1207105, 4104157, 19072259, 20520785, 95361295, 324228403, 1621142015]

約数ペア:

[(1, 1621142015), (5, 324228403), (17, 95361295), (79, 20520785), (85, 19072259), (395, 4104157), (1343, 1207105), (6715, 241421)]