138219753

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{177889}}^1$

素因数の和:177936

約数の個数: 16

約数和(自身を含む): 216314240

約数和(自身を除く): 78094487

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 177889, 533667, 1245223, 3735669, 6581893, 19745679, 46073251, 138219753]

約数ペア:

[(1, 138219753), (3, 46073251), (7, 19745679), (21, 6581893), (37, 3735669), (111, 1245223), (259, 533667), (777, 177889)]