47981457

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 74131200

約数和(自身を除く): 26149743

約数列:

[1, 3, 9, 27, 29, 87, 233, 261, 263, 699, 783, 789, 2097, 2367, 6291, 6757, 7101, 7627, 20271, 22881, 60813, 61279, 68643, 182439, 183837, 205929, 551511, 1654533, 1777091, 5331273, 15993819, 47981457]

約数ペア:

[(1, 47981457), (3, 15993819), (9, 5331273), (27, 1777091), (29, 1654533), (87, 551511), (233, 205929), (261, 183837), (263, 182439), (699, 68643), (783, 61279), (789, 60813), (2097, 22881), (2367, 20271), (6291, 7627), (6757, 7101)]