220132647

素因数分解:

$3^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1499}}^1$

素因数の和:1562

約数の個数: 60

約数和(自身を含む): 393129000

約数和(自身を除く): 172996353

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 81, 111, 147, 189, 259, 333, 441, 567, 777, 999, 1323, 1499, 1813, 2331, 2997, 3969, 4497, 5439, 6993, 10493, 13491, 16317, 20979, 31479, 40473, 48951, 55463, 73451, 94437, 121419, 146853, 166389, 220353, 283311, 388241, 499167, 661059, 849933, 1164723, 1497501, 1983177, 2717687, 3494169, 4492503, 5949531, 8153061, 10482507, 24459183, 31447521, 73377549, 220132647]

約数ペア:

[(1, 220132647), (3, 73377549), (7, 31447521), (9, 24459183), (21, 10482507), (27, 8153061), (37, 5949531), (49, 4492503), (63, 3494169), (81, 2717687), (111, 1983177), (147, 1497501), (189, 1164723), (259, 849933), (333, 661059), (441, 499167), (567, 388241), (777, 283311), (999, 220353), (1323, 166389), (1499, 146853), (1813, 121419), (2331, 94437), (2997, 73451), (3969, 55463), (4497, 48951), (5439, 40473), (6993, 31479), (10493, 20979), (13491, 16317)]