18413271

素因数分解:

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

素因数の和:380

約数の個数: 32

約数和(自身を含む): 28800000

約数和(自身を除く): 10386729

約数列:

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

約数ペア:

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