64640349

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{4409}}^1$

素因数の和:4602

約数の個数: 20

約数和(自身を含む): 97117020

約数和(自身を除く): 32476671

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 4409, 4887, 13227, 14661, 39681, 119043, 357129, 798029, 2394087, 7182261, 21546783, 64640349]

約数ペア:

[(1, 64640349), (3, 21546783), (9, 7182261), (27, 2394087), (81, 798029), (181, 357129), (543, 119043), (1629, 39681), (4409, 14661), (4887, 13227)]