12486591

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 21097440

約数和(自身を除く): 8610849

約数列:

[1, 3, 9, 13, 19, 39, 41, 57, 117, 123, 137, 171, 247, 369, 411, 533, 741, 779, 1233, 1599, 1781, 2223, 2337, 2603, 4797, 5343, 5617, 7011, 7809, 10127, 16029, 16851, 23427, 30381, 33839, 50553, 73021, 91143, 101517, 106723, 219063, 304551, 320169, 657189, 960507, 1387399, 4162197, 12486591]

約数ペア:

[(1, 12486591), (3, 4162197), (9, 1387399), (13, 960507), (19, 657189), (39, 320169), (41, 304551), (57, 219063), (117, 106723), (123, 101517), (137, 91143), (171, 73021), (247, 50553), (369, 33839), (411, 30381), (533, 23427), (741, 16851), (779, 16029), (1233, 10127), (1599, 7809), (1781, 7011), (2223, 5617), (2337, 5343), (2603, 4797)]