71921391

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1\times {\mathrm{1993}}^1$

素因数の和:2542

約数の個数: 16

約数和(自身を含む): 100306176

約数和(自身を除く): 28384785

約数列:

[1, 3, 23, 69, 523, 1569, 1993, 5979, 12029, 36087, 45839, 137517, 1042339, 3127017, 23973797, 71921391]

約数ペア:

[(1, 71921391), (3, 23973797), (23, 3127017), (69, 1042339), (523, 137517), (1569, 45839), (1993, 36087), (5979, 12029)]