19710123

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2371}}^1$

素因数の和:2554

約数の個数: 16

約数和(自身を含む): 28008576

約数和(自身を除く): 8298453

約数列:

[1, 3, 17, 51, 163, 489, 2371, 2771, 7113, 8313, 40307, 120921, 386473, 1159419, 6570041, 19710123]

約数ペア:

[(1, 19710123), (3, 6570041), (17, 1159419), (51, 386473), (163, 120921), (489, 40307), (2371, 8313), (2771, 7113)]