40081977

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 66114048

約数和(自身を除く): 26032071

約数列:

[1, 3, 9, 13, 31, 39, 43, 93, 117, 129, 257, 279, 387, 403, 559, 771, 1209, 1333, 1677, 2313, 3341, 3627, 3999, 5031, 7967, 10023, 11051, 11997, 17329, 23901, 30069, 33153, 51987, 71703, 99459, 103571, 143663, 155961, 310713, 342581, 430989, 932139, 1027743, 1292967, 3083229, 4453553, 13360659, 40081977]

約数ペア:

[(1, 40081977), (3, 13360659), (9, 4453553), (13, 3083229), (31, 1292967), (39, 1027743), (43, 932139), (93, 430989), (117, 342581), (129, 310713), (257, 155961), (279, 143663), (387, 103571), (403, 99459), (559, 71703), (771, 51987), (1209, 33153), (1333, 30069), (1677, 23901), (2313, 17329), (3341, 11997), (3627, 11051), (3999, 10023), (5031, 7967)]