68138721

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{4723}}^1$

素因数の和:4965

約数の個数: 24

約数和(自身を含む): 112998080

約数和(自身を除く): 44859359

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1603, 2061, 4723, 4809, 14169, 14427, 33061, 42507, 99183, 297549, 1081567, 3244701, 7570969, 9734103, 22712907, 68138721]

約数ペア:

[(1, 68138721), (3, 22712907), (7, 9734103), (9, 7570969), (21, 3244701), (63, 1081567), (229, 297549), (687, 99183), (1603, 42507), (2061, 33061), (4723, 14427), (4809, 14169)]