7998471

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 12558000

約数和(自身を除く): 4559529

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 499, 1233, 1497, 1781, 4491, 5343, 6487, 16029, 19461, 58383, 68363, 205089, 615267, 888719, 2666157, 7998471]

約数ペア:

[(1, 7998471), (3, 2666157), (9, 888719), (13, 615267), (39, 205089), (117, 68363), (137, 58383), (411, 19461), (499, 16029), (1233, 6487), (1497, 5343), (1781, 4491)]