51871197

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{130003}}^1$

素因数の和:130032

約数の個数: 16

約数和(自身を含む): 83202560

約数和(自身を除く): 31331363

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 130003, 390009, 910021, 2470057, 2730063, 7410171, 17290399, 51871197]

約数ペア:

[(1, 51871197), (3, 17290399), (7, 7410171), (19, 2730063), (21, 2470057), (57, 910021), (133, 390009), (399, 130003)]