81038961

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 126498240

約数和(自身を除く): 45459279

約数列:

[1, 3, 9, 27, 43, 53, 81, 129, 159, 387, 439, 477, 1161, 1317, 1431, 2279, 3483, 3951, 4293, 6837, 11853, 18877, 20511, 23267, 35559, 56631, 61533, 69801, 169893, 184599, 209403, 509679, 628209, 1000481, 1529037, 1884627, 3001443, 9004329, 27012987, 81038961]

約数ペア:

[(1, 81038961), (3, 27012987), (9, 9004329), (27, 3001443), (43, 1884627), (53, 1529037), (81, 1000481), (129, 628209), (159, 509679), (387, 209403), (439, 184599), (477, 169893), (1161, 69801), (1317, 61533), (1431, 56631), (2279, 35559), (3483, 23267), (3951, 20511), (4293, 18877), (6837, 11853)]