12750111

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4441}}^1$

素因数の和:4487

約数の個数: 24

約数和(自身を含む): 20788560

約数和(自身を除く): 8038449

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 4441, 13323, 39969, 48851, 128789, 146553, 386367, 439659, 1159101, 1416679, 4250037, 12750111]

約数ペア:

[(1, 12750111), (3, 4250037), (9, 1416679), (11, 1159101), (29, 439659), (33, 386367), (87, 146553), (99, 128789), (261, 48851), (319, 39969), (957, 13323), (2871, 4441)]