318458829

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{3137}}^1$

素因数の和:3309

約数の個数: 32

約数和(自身を含む): 485009280

約数和(自身を除く): 166550451

約数列:

[1, 3, 13, 19, 39, 57, 137, 247, 411, 741, 1781, 2603, 3137, 5343, 7809, 9411, 33839, 40781, 59603, 101517, 122343, 178809, 429769, 774839, 1289307, 2324517, 5586997, 8165611, 16760991, 24496833, 106152943, 318458829]

約数ペア:

[(1, 318458829), (3, 106152943), (13, 24496833), (19, 16760991), (39, 8165611), (57, 5586997), (137, 2324517), (247, 1289307), (411, 774839), (741, 429769), (1781, 178809), (2603, 122343), (3137, 101517), (5343, 59603), (7809, 40781), (9411, 33839)]