55239813

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:383

約数の個数: 40

約数和(自身を含む): 87120000

約数和(自身を除く): 31880187

約数列:

[1, 3, 9, 23, 27, 69, 81, 149, 199, 207, 447, 597, 621, 1341, 1791, 1863, 3427, 4023, 4577, 5373, 10281, 12069, 13731, 16119, 29651, 30843, 41193, 88953, 92529, 123579, 266859, 277587, 370737, 681973, 800577, 2045919, 2401731, 6137757, 18413271, 55239813]

約数ペア:

[(1, 55239813), (3, 18413271), (9, 6137757), (23, 2401731), (27, 2045919), (69, 800577), (81, 681973), (149, 370737), (199, 277587), (207, 266859), (447, 123579), (597, 92529), (621, 88953), (1341, 41193), (1791, 30843), (1863, 29651), (3427, 16119), (4023, 13731), (4577, 12069), (5373, 10281)]