13223943

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4549}}^1$

素因数の和:4591

約数の個数: 24

約数和(自身を含む): 21294000

約数和(自身を除く): 8070057

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 4549, 13647, 40941, 77333, 86431, 231999, 259293, 695997, 777879, 1469327, 4407981, 13223943]

約数ペア:

[(1, 13223943), (3, 4407981), (9, 1469327), (17, 777879), (19, 695997), (51, 259293), (57, 231999), (153, 86431), (171, 77333), (323, 40941), (969, 13647), (2907, 4549)]