51307851

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{8513}}^1$

素因数の和:8571

約数の個数: 24

約数和(自身を含む): 81530064

約数和(自身を除く): 30222213

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 8513, 25539, 59591, 178773, 349033, 417137, 1047099, 1251411, 2443231, 7329693, 17102617, 51307851]

約数ペア:

[(1, 51307851), (3, 17102617), (7, 7329693), (21, 2443231), (41, 1251411), (49, 1047099), (123, 417137), (147, 349033), (287, 178773), (861, 59591), (2009, 25539), (6027, 8513)]