31087217

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 6833743

約数列:

[1, 7, 29, 49, 131, 167, 203, 917, 1169, 1421, 3799, 4843, 6419, 8183, 21877, 26593, 33901, 153139, 186151, 237307, 634433, 1071973, 4441031, 31087217]

約数ペア:

[(1, 31087217), (7, 4441031), (29, 1071973), (49, 634433), (131, 237307), (167, 186151), (203, 153139), (917, 33901), (1169, 26593), (1421, 21877), (3799, 8183), (4843, 6419)]