391499913

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{5689}}^1$

素因数の和:5841

約数の個数: 32

約数和(自身を含む): 622713600

約数和(自身を除く): 231213687

約数列:

[1, 3, 7, 21, 29, 87, 113, 203, 339, 609, 791, 2373, 3277, 5689, 9831, 17067, 22939, 39823, 68817, 119469, 164981, 494943, 642857, 1154867, 1928571, 3464601, 4499999, 13499997, 18642853, 55928559, 130499971, 391499913]

約数ペア:

[(1, 391499913), (3, 130499971), (7, 55928559), (21, 18642853), (29, 13499997), (87, 4499999), (113, 3464601), (203, 1928571), (339, 1154867), (609, 642857), (791, 494943), (2373, 164981), (3277, 119469), (5689, 68817), (9831, 39823), (17067, 22939)]