31260519

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 49075200

約数和(自身を除く): 17814681

約数列:

[1, 3, 9, 23, 27, 69, 71, 207, 213, 621, 639, 709, 1633, 1917, 2127, 4899, 6381, 14697, 16307, 19143, 44091, 48921, 50339, 146763, 151017, 440289, 453051, 1157797, 1359153, 3473391, 10420173, 31260519]

約数ペア:

[(1, 31260519), (3, 10420173), (9, 3473391), (23, 1359153), (27, 1157797), (69, 453051), (71, 440289), (207, 151017), (213, 146763), (621, 50339), (639, 48921), (709, 44091), (1633, 19143), (1917, 16307), (2127, 14697), (4899, 6381)]