254892447

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{1307}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 391772160

約数和(自身を除く): 136879713

約数列:

[1, 3, 9, 27, 31, 93, 233, 279, 699, 837, 1307, 2097, 3921, 6291, 7223, 11763, 21669, 35289, 40517, 65007, 121551, 195021, 304531, 364653, 913593, 1093959, 2740779, 8222337, 9440461, 28321383, 84964149, 254892447]

約数ペア:

[(1, 254892447), (3, 84964149), (9, 28321383), (27, 9440461), (31, 8222337), (93, 2740779), (233, 1093959), (279, 913593), (699, 364653), (837, 304531), (1307, 195021), (2097, 121551), (3921, 65007), (6291, 40517), (7223, 35289), (11763, 21669)]