18167409

素因数分解:

$3^9\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 40

約数和(自身を含む): 29760192

約数和(自身を除く): 11592783

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 243, 351, 639, 729, 923, 1053, 1917, 2187, 2769, 3159, 5751, 6561, 8307, 9477, 17253, 19683, 24921, 28431, 51759, 74763, 85293, 155277, 224289, 255879, 465831, 672867, 1397493, 2018601, 6055803, 18167409]

約数ペア:

[(1, 18167409), (3, 6055803), (9, 2018601), (13, 1397493), (27, 672867), (39, 465831), (71, 255879), (81, 224289), (117, 155277), (213, 85293), (243, 74763), (351, 51759), (639, 28431), (729, 24921), (923, 19683), (1053, 17253), (1917, 9477), (2187, 8307), (2769, 6561), (3159, 5751)]