51887871

素因数分解:

$3^4\times 7^1\times {\mathrm{91513}}^1$

素因数の和:91532

約数の個数: 20

約数和(自身を含む): 88585552

約数和(自身を除く): 36697681

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 91513, 274539, 640591, 823617, 1921773, 2470851, 5765319, 7412553, 17295957, 51887871]

約数ペア:

[(1, 51887871), (3, 17295957), (7, 7412553), (9, 5765319), (21, 2470851), (27, 1921773), (63, 823617), (81, 640591), (189, 274539), (567, 91513)]