137798787

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{385991}}^1$

素因数の和:386018

約数の個数: 16

約数和(自身を含む): 222331392

約数和(自身を除く): 84532605

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 385991, 1157973, 2701937, 6561847, 8105811, 19685541, 45932929, 137798787]

約数ペア:

[(1, 137798787), (3, 45932929), (7, 19685541), (17, 8105811), (21, 6561847), (51, 2701937), (119, 1157973), (357, 385991)]