17280783

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{16411}}^1$

素因数の和:16436

約数の個数: 20

約数和(自身を含む): 27801928

約数和(自身を除く): 10521145

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 16411, 49233, 147699, 213343, 443097, 640029, 1329291, 1920087, 5760261, 17280783]

約数ペア:

[(1, 17280783), (3, 5760261), (9, 1920087), (13, 1329291), (27, 640029), (39, 443097), (81, 213343), (117, 147699), (351, 49233), (1053, 16411)]