51370851

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{128749}}^1$

素因数の和:128778

約数の個数: 16

約数和(自身を含む): 82400000

約数和(自身を除く): 31029149

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 128749, 386247, 901243, 2446231, 2703729, 7338693, 17123617, 51370851]

約数ペア:

[(1, 51370851), (3, 17123617), (7, 7338693), (19, 2703729), (21, 2446231), (57, 901243), (133, 386247), (399, 128749)]