51420327

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{128873}}^1$

素因数の和:128902

約数の個数: 16

約数和(自身を含む): 82479360

約数和(自身を除く): 31059033

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 128873, 386619, 902111, 2448587, 2706333, 7345761, 17140109, 51420327]

約数ペア:

[(1, 51420327), (3, 17140109), (7, 7345761), (19, 2706333), (21, 2448587), (57, 902111), (133, 386619), (399, 128873)]