139968171

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{28123}}^1$

素因数の和:28215

約数の個数: 24

約数和(自身を含む): 233991680

約数和(自身を除く): 94023509

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 28123, 84369, 196861, 253107, 590583, 1771749, 2221717, 6665151, 15552019, 19995453, 46656057, 139968171]

約数ペア:

[(1, 139968171), (3, 46656057), (7, 19995453), (9, 15552019), (21, 6665151), (63, 2221717), (79, 1771749), (237, 590583), (553, 253107), (711, 196861), (1659, 84369), (4977, 28123)]