30780279

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{617}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 46661472

約数和(自身を除く): 15881193

約数列:

[1, 3, 9, 23, 69, 207, 241, 617, 723, 1851, 2169, 5543, 5553, 14191, 16629, 42573, 49887, 127719, 148697, 446091, 1338273, 3420031, 10260093, 30780279]

約数ペア:

[(1, 30780279), (3, 10260093), (9, 3420031), (23, 1338273), (69, 446091), (207, 148697), (241, 127719), (617, 49887), (723, 42573), (1851, 16629), (2169, 14191), (5543, 5553)]