397349211

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{4657}}^1$

素因数の和:4923

約数の個数: 32

約数和(自身を含む): 643921920

約数和(自身を除く): 246572709

約数列:

[1, 3, 7, 17, 21, 51, 119, 239, 357, 717, 1673, 4063, 4657, 5019, 12189, 13971, 28441, 32599, 79169, 85323, 97797, 237507, 554183, 1113023, 1662549, 3339069, 7791161, 18921391, 23373483, 56764173, 132449737, 397349211]

約数ペア:

[(1, 397349211), (3, 132449737), (7, 56764173), (17, 23373483), (21, 18921391), (51, 7791161), (119, 3339069), (239, 1662549), (357, 1113023), (717, 554183), (1673, 237507), (4063, 97797), (4657, 85323), (5019, 79169), (12189, 32599), (13971, 28441)]