31971879

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 47606832

約数和(自身を除く): 15634953

約数列:

[1, 3, 9, 53, 97, 159, 291, 477, 691, 873, 2073, 5141, 6219, 15423, 36623, 46269, 67027, 109869, 201081, 329607, 603243, 3552431, 10657293, 31971879]

約数ペア:

[(1, 31971879), (3, 10657293), (9, 3552431), (53, 603243), (97, 329607), (159, 201081), (291, 109869), (477, 67027), (691, 46269), (873, 36623), (2073, 15423), (5141, 6219)]