63801981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8677}}^1$

素因数の和:8745

約数の個数: 24

約数和(自身を含む): 99276320

約数和(自身を除く): 35474339

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 8677, 26031, 78093, 164863, 373111, 494589, 1119333, 1483767, 3357999, 7089109, 21267327, 63801981]

約数ペア:

[(1, 63801981), (3, 21267327), (9, 7089109), (19, 3357999), (43, 1483767), (57, 1119333), (129, 494589), (171, 373111), (387, 164863), (817, 78093), (2451, 26031), (7353, 8677)]