138832239

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{72649}}^1$

素因数の和:72679

約数の個数: 24

約数和(自身を含む): 231898800

約数和(自身を除く): 93066561

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 72649, 217947, 508543, 944437, 1525629, 2833311, 3559801, 6611059, 10679403, 19833177, 46277413, 138832239]

約数ペア:

[(1, 138832239), (3, 46277413), (7, 19833177), (13, 10679403), (21, 6611059), (39, 3559801), (49, 2833311), (91, 1525629), (147, 944437), (273, 508543), (637, 217947), (1911, 72649)]