137777904089

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{90703031}}^1$

素因数の和:90703076

約数の個数: 12

約数和(自身を含む): 165442330368

約数和(自身を除く): 27664426279

約数列:

[1, 7, 31, 49, 217, 1519, 90703031, 634921217, 2811793961, 4444448519, 19682557727, 137777904089]

約数ペア:

[(1, 137777904089), (7, 19682557727), (31, 4444448519), (49, 2811793961), (217, 634921217), (1519, 90703031)]