397300959

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{2663}}^1$

素因数の和:2828

約数の個数: 36

約数和(自身を含む): 635635728

約数和(自身を除く): 238334769

約数列:

[1, 3, 9, 11, 33, 99, 121, 137, 363, 411, 1089, 1233, 1507, 2663, 4521, 7989, 13563, 16577, 23967, 29293, 49731, 87879, 149193, 263637, 322223, 364831, 966669, 1094493, 2900007, 3283479, 4013141, 12039423, 36118269, 44144551, 132433653, 397300959]

約数ペア:

[(1, 397300959), (3, 132433653), (9, 44144551), (11, 36118269), (33, 12039423), (99, 4013141), (121, 3283479), (137, 2900007), (363, 1094493), (411, 966669), (1089, 364831), (1233, 322223), (1507, 263637), (2663, 149193), (4521, 87879), (7989, 49731), (13563, 29293), (16577, 23967)]