81032721

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{7159}}^1$

素因数の和:7194

約数の個数: 32

約数和(自身を含む): 137472000

約数和(自身を除く): 56439279

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 1029, 1617, 3773, 7159, 11319, 21477, 50113, 78749, 150339, 236247, 350791, 551243, 1052373, 1653729, 2455537, 3858701, 7366611, 11576103, 27010907, 81032721]

約数ペア:

[(1, 81032721), (3, 27010907), (7, 11576103), (11, 7366611), (21, 3858701), (33, 2455537), (49, 1653729), (77, 1052373), (147, 551243), (231, 350791), (343, 236247), (539, 150339), (1029, 78749), (1617, 50113), (3773, 21477), (7159, 11319)]