248521779

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{228211}}^1$

素因数の和:228239

約数の個数: 18

約数和(自身を含む): 394578548

約数和(自身を除く): 146056769

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 228211, 684633, 2053899, 2510321, 7530963, 22592889, 27613531, 82840593, 248521779]

約数ペア:

[(1, 248521779), (3, 82840593), (9, 27613531), (11, 22592889), (33, 7530963), (99, 2510321), (121, 2053899), (363, 684633), (1089, 228211)]