81350321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 94899840

約数和(自身を除く): 13549519

約数列:

[1, 13, 17, 59, 221, 289, 367, 767, 1003, 3757, 4771, 6239, 13039, 17051, 21653, 81107, 106063, 221663, 281489, 368101, 1378819, 4785313, 6257717, 81350321]

約数ペア:

[(1, 81350321), (13, 6257717), (17, 4785313), (59, 1378819), (221, 368101), (289, 281489), (367, 221663), (767, 106063), (1003, 81107), (3757, 21653), (4771, 17051), (6239, 13039)]