80140311

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 123232200

約数和(自身を除く): 43091889

約数列:

[1, 3, 9, 29, 47, 87, 139, 141, 261, 417, 423, 1251, 1363, 2209, 4031, 4089, 6533, 6627, 12093, 12267, 19599, 19881, 36279, 58797, 64061, 189457, 192183, 307051, 568371, 576549, 921153, 1705113, 2763459, 8904479, 26713437, 80140311]

約数ペア:

[(1, 80140311), (3, 26713437), (9, 8904479), (29, 2763459), (47, 1705113), (87, 921153), (139, 576549), (141, 568371), (261, 307051), (417, 192183), (423, 189457), (1251, 64061), (1363, 58797), (2209, 36279), (4031, 19881), (4089, 19599), (6533, 12267), (6627, 12093)]