31492881

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:915

約数の個数: 40

約数和(自身を含む): 54633920

約数和(自身を除く): 23141039

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 567, 603, 829, 1407, 1809, 2487, 4221, 5427, 5803, 7461, 12663, 17409, 22383, 37989, 52227, 55543, 67149, 156681, 166629, 388801, 470043, 499887, 1166403, 1499661, 3499209, 4498983, 10497627, 31492881]

約数ペア:

[(1, 31492881), (3, 10497627), (7, 4498983), (9, 3499209), (21, 1499661), (27, 1166403), (63, 499887), (67, 470043), (81, 388801), (189, 166629), (201, 156681), (469, 67149), (567, 55543), (603, 52227), (829, 37989), (1407, 22383), (1809, 17409), (2487, 12663), (4221, 7461), (5427, 5803)]