87405171

素因数分解:

$3^1\times 7^2\times {\mathrm{647}}^1\times {\mathrm{919}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 135924480

約数和(自身を除く): 48519309

約数列:

[1, 3, 7, 21, 49, 147, 647, 919, 1941, 2757, 4529, 6433, 13587, 19299, 31703, 45031, 95109, 135093, 594593, 1783779, 4162151, 12486453, 29135057, 87405171]

約数ペア:

[(1, 87405171), (3, 29135057), (7, 12486453), (21, 4162151), (49, 1783779), (147, 594593), (647, 135093), (919, 95109), (1941, 45031), (2757, 31703), (4529, 19299), (6433, 13587)]