131411415

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{757}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 214811136

約数和(自身を除く): 83399721

約数列:

[1, 3, 5, 15, 71, 163, 213, 355, 489, 757, 815, 1065, 2271, 2445, 3785, 11355, 11573, 34719, 53747, 57865, 123391, 161241, 173595, 268735, 370173, 616955, 806205, 1850865, 8760761, 26282283, 43803805, 131411415]

約数ペア:

[(1, 131411415), (3, 43803805), (5, 26282283), (15, 8760761), (71, 1850865), (163, 806205), (213, 616955), (355, 370173), (489, 268735), (757, 173595), (815, 161241), (1065, 123391), (2271, 57865), (2445, 53747), (3785, 34719), (11355, 11573)]