81148473

素因数分解:

$3^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{857}}^1$

素因数の和:1043

約数の個数: 40

約数和(自身を含む): 139531392

約数和(自身を除く): 58382919

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 167, 189, 501, 567, 857, 1169, 1503, 2571, 3507, 4509, 5999, 7713, 10521, 13527, 17997, 23139, 31563, 53991, 69417, 94689, 143119, 161973, 429357, 485919, 1001833, 1288071, 3005499, 3864213, 9016497, 11592639, 27049491, 81148473]

約数ペア:

[(1, 81148473), (3, 27049491), (7, 11592639), (9, 9016497), (21, 3864213), (27, 3005499), (63, 1288071), (81, 1001833), (167, 485919), (189, 429357), (501, 161973), (567, 143119), (857, 94689), (1169, 69417), (1503, 53991), (2571, 31563), (3507, 23139), (4509, 17997), (5999, 13527), (7713, 10521)]