31217319

素因数分解:

$3^4\times 7^1\times {\mathrm{55057}}^1$

素因数の和:55076

約数の個数: 20

約数和(自身を含む): 53296144

約数和(自身を除く): 22078825

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 55057, 165171, 385399, 495513, 1156197, 1486539, 3468591, 4459617, 10405773, 31217319]

約数ペア:

[(1, 31217319), (3, 10405773), (7, 4459617), (9, 3468591), (21, 1486539), (27, 1156197), (63, 495513), (81, 385399), (189, 165171), (567, 55057)]