138812079

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{213229}}^1$

素因数の和:213270

約数の個数: 16

約数和(自身を含む): 218347520

約数和(自身を除く): 79535441

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 213229, 639687, 1492603, 4477809, 6610099, 19830297, 46270693, 138812079]

約数ペア:

[(1, 138812079), (3, 46270693), (7, 19830297), (21, 6610099), (31, 4477809), (93, 1492603), (217, 639687), (651, 213229)]