278315973

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{10037}}^1$

素因数の和:10138

約数の個数: 32

約数和(自身を含む): 449702400

約数和(自身を除く): 171386427

約数列:

[1, 3, 9, 13, 27, 39, 79, 117, 237, 351, 711, 1027, 2133, 3081, 9243, 10037, 27729, 30111, 90333, 130481, 270999, 391443, 792923, 1174329, 2378769, 3522987, 7136307, 10307999, 21408921, 30923997, 92771991, 278315973]

約数ペア:

[(1, 278315973), (3, 92771991), (9, 30923997), (13, 21408921), (27, 10307999), (39, 7136307), (79, 3522987), (117, 2378769), (237, 1174329), (351, 792923), (711, 391443), (1027, 270999), (2133, 130481), (3081, 90333), (9243, 30111), (10037, 27729)]