13981779

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5413}}^1$

素因数の和:5467

約数の個数: 24

約数和(自身を含む): 23648352

約数和(自身を除く): 9666573

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 5413, 16239, 37891, 48717, 113673, 221933, 341019, 665799, 1553531, 1997397, 4660593, 13981779]

約数ペア:

[(1, 13981779), (3, 4660593), (7, 1997397), (9, 1553531), (21, 665799), (41, 341019), (63, 221933), (123, 113673), (287, 48717), (369, 37891), (861, 16239), (2583, 5413)]