13040811

素因数分解:

$3^3\times 7^2\times {\mathrm{9857}}^1$

素因数の和:9880

約数の個数: 24

約数和(自身を含む): 22476240

約数和(自身を除く): 9435429

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 9857, 29571, 68999, 88713, 206997, 266139, 482993, 620991, 1448979, 1862973, 4346937, 13040811]

約数ペア:

[(1, 13040811), (3, 4346937), (7, 1862973), (9, 1448979), (21, 620991), (27, 482993), (49, 266139), (63, 206997), (147, 88713), (189, 68999), (441, 29571), (1323, 9857)]