37986221

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1258

約数の個数: 20

約数和(自身を含む): 47762652

約数和(自身を除く): 9776431

約数列:

[1, 7, 13, 49, 91, 343, 637, 1217, 2401, 4459, 8519, 15821, 31213, 59633, 110747, 417431, 775229, 2922017, 5426603, 37986221]

約数ペア:

[(1, 37986221), (7, 5426603), (13, 2922017), (49, 775229), (91, 417431), (343, 110747), (637, 59633), (1217, 31213), (2401, 15821), (4459, 8519)]