138778731

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8069}}^1$

素因数の和:8105

約数の個数: 48

約数和(自身を含む): 257594400

約数和(自身を除く): 118815669

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1323, 1911, 2457, 5733, 8069, 17199, 24207, 56483, 72621, 104897, 169449, 217863, 314691, 395381, 508347, 734279, 944073, 1186143, 1525041, 2202837, 2832219, 3558429, 5139953, 6608511, 10675287, 15419859, 19825533, 46259577, 138778731]

約数ペア:

[(1, 138778731), (3, 46259577), (7, 19825533), (9, 15419859), (13, 10675287), (21, 6608511), (27, 5139953), (39, 3558429), (49, 2832219), (63, 2202837), (91, 1525041), (117, 1186143), (147, 944073), (189, 734279), (273, 508347), (351, 395381), (441, 314691), (637, 217863), (819, 169449), (1323, 104897), (1911, 72621), (2457, 56483), (5733, 24207), (8069, 17199)]