172161

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 24

約数和(自身を含む): 284544

約数和(自身を除く): 112383

約数列:

[1, 3, 9, 11, 33, 37, 47, 99, 111, 141, 333, 407, 423, 517, 1221, 1551, 1739, 3663, 4653, 5217, 15651, 19129, 57387, 172161]

約数ペア:

[(1, 172161), (3, 57387), (9, 19129), (11, 15651), (33, 5217), (37, 4653), (47, 3663), (99, 1739), (111, 1551), (141, 1221), (333, 517), (407, 423)]