207879279

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 293310720

約数和(自身を除く): 85431441

約数列:

[1, 3, 29, 87, 107, 137, 163, 321, 411, 489, 3103, 3973, 4727, 9309, 11919, 14181, 14659, 17441, 22331, 43977, 52323, 66993, 425111, 505789, 647599, 1275333, 1517367, 1942797, 2389417, 7168251, 69293093, 207879279]

約数ペア:

[(1, 207879279), (3, 69293093), (29, 7168251), (87, 2389417), (107, 1942797), (137, 1517367), (163, 1275333), (321, 647599), (411, 505789), (489, 425111), (3103, 66993), (3973, 52323), (4727, 43977), (9309, 22331), (11919, 17441), (14181, 14659)]