201895239

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{105649}}^1$

素因数の和:105679

約数の個数: 24

約数和(自身を含む): 337234800

約数和(自身を除く): 135339561

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 105649, 316947, 739543, 1373437, 2218629, 4120311, 5176801, 9614059, 15530403, 28842177, 67298413, 201895239]

約数ペア:

[(1, 201895239), (3, 67298413), (7, 28842177), (13, 15530403), (21, 9614059), (39, 5176801), (49, 4120311), (91, 2218629), (147, 1373437), (273, 739543), (637, 316947), (1911, 105649)]