18135279

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 10250001

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 461, 837, 1269, 1383, 1457, 4149, 4371, 12447, 13113, 14291, 21667, 39339, 42873, 65001, 128619, 195003, 385857, 585009, 671677, 2015031, 6045093, 18135279]

約数ペア:

[(1, 18135279), (3, 6045093), (9, 2015031), (27, 671677), (31, 585009), (47, 385857), (93, 195003), (141, 128619), (279, 65001), (423, 42873), (461, 39339), (837, 21667), (1269, 14291), (1383, 13113), (1457, 12447), (4149, 4371)]