207896013

素因数分解:

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

素因数の和:167

約数の個数: 54

約数和(自身を含む): 342114318

約数和(自身を除く): 134218305

約数列:

[1, 3, 9, 13, 31, 39, 43, 93, 117, 129, 279, 387, 403, 559, 961, 1209, 1333, 1677, 1849, 2883, 3627, 3999, 5031, 5547, 8649, 11997, 12493, 16641, 17329, 24037, 37479, 41323, 51987, 57319, 72111, 112437, 123969, 155961, 171957, 216333, 371907, 515871, 537199, 745147, 1611597, 1776889, 2235441, 4834791, 5330667, 6706323, 15992001, 23099557, 69298671, 207896013]

約数ペア:

[(1, 207896013), (3, 69298671), (9, 23099557), (13, 15992001), (31, 6706323), (39, 5330667), (43, 4834791), (93, 2235441), (117, 1776889), (129, 1611597), (279, 745147), (387, 537199), (403, 515871), (559, 371907), (961, 216333), (1209, 171957), (1333, 155961), (1677, 123969), (1849, 112437), (2883, 72111), (3627, 57319), (3999, 51987), (5031, 41323), (5547, 37479), (8649, 24037), (11997, 17329), (12493, 16641)]