31106187

素因数分解:

$3^5\times 7^1\times {\mathrm{18287}}^1$

素因数の和:18309

約数の個数: 24

約数和(自身を含む): 53254656

約数和(自身を除く): 22148469

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 18287, 54861, 128009, 164583, 384027, 493749, 1152081, 1481247, 3456243, 4443741, 10368729, 31106187]

約数ペア:

[(1, 31106187), (3, 10368729), (7, 4443741), (9, 3456243), (21, 1481247), (27, 1152081), (63, 493749), (81, 384027), (189, 164583), (243, 128009), (567, 54861), (1701, 18287)]