12998427

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 19987968

約数和(自身を除く): 6989541

約数列:

[1, 3, 13, 23, 39, 43, 69, 129, 299, 337, 559, 897, 989, 1011, 1677, 2967, 4381, 7751, 12857, 13143, 14491, 23253, 38571, 43473, 100763, 188383, 302289, 333293, 565149, 999879, 4332809, 12998427]

約数ペア:

[(1, 12998427), (3, 4332809), (13, 999879), (23, 565149), (39, 333293), (43, 302289), (69, 188383), (129, 100763), (299, 43473), (337, 38571), (559, 23253), (897, 14491), (989, 13143), (1011, 12857), (1677, 7751), (2967, 4381)]