31781727

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{4219}}^1$

素因数の和:4265

約数の個数: 24

約数和(自身を含む): 49154560

約数和(自身を除く): 17372833

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 4219, 7533, 12657, 37971, 113913, 130789, 341739, 392367, 1025217, 1177101, 3531303, 10593909, 31781727]

約数ペア:

[(1, 31781727), (3, 10593909), (9, 3531303), (27, 1177101), (31, 1025217), (81, 392367), (93, 341739), (243, 130789), (279, 113913), (837, 37971), (2511, 12657), (4219, 7533)]