84786993

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:747

約数の個数: 40

約数和(自身を含む): 134234496

約数和(自身を除く): 49447503

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 207, 213, 621, 639, 641, 1633, 1863, 1917, 1923, 4899, 5751, 5769, 14697, 14743, 17307, 44091, 44229, 45511, 51921, 132273, 132687, 136533, 398061, 409599, 1046753, 1194183, 1228797, 3140259, 3686391, 9420777, 28262331, 84786993]

約数ペア:

[(1, 84786993), (3, 28262331), (9, 9420777), (23, 3686391), (27, 3140259), (69, 1228797), (71, 1194183), (81, 1046753), (207, 409599), (213, 398061), (621, 136533), (639, 132687), (641, 132273), (1633, 51921), (1863, 45511), (1917, 44229), (1923, 44091), (4899, 17307), (5751, 14743), (5769, 14697)]