220187721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{31541}}^1$

素因数の和:31736

約数の個数: 16

約数和(自身を含む): 317943360

約数和(自身を除く): 97755639

約数列:

[1, 3, 13, 39, 179, 537, 2327, 6981, 31541, 94623, 410033, 1230099, 5645839, 16937517, 73395907, 220187721]

約数ペア:

[(1, 220187721), (3, 73395907), (13, 16937517), (39, 5645839), (179, 1230099), (537, 410033), (2327, 94623), (6981, 31541)]