31147389

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1811}}^1$

素因数の和:1847

約数の個数: 48

約数和(自身を含む): 57839040

約数和(自身を除く): 26691651

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1323, 1811, 1911, 2457, 5433, 5733, 12677, 16299, 17199, 23543, 38031, 48897, 70629, 88739, 114093, 164801, 211887, 266217, 342279, 494403, 635661, 798651, 1153607, 1483209, 2395953, 3460821, 4449627, 10382463, 31147389]

約数ペア:

[(1, 31147389), (3, 10382463), (7, 4449627), (9, 3460821), (13, 2395953), (21, 1483209), (27, 1153607), (39, 798651), (49, 635661), (63, 494403), (91, 342279), (117, 266217), (147, 211887), (189, 164801), (273, 114093), (351, 88739), (441, 70629), (637, 48897), (819, 38031), (1323, 23543), (1811, 17199), (1911, 16299), (2457, 12677), (5433, 5733)]