139080969

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{90371}}^1$

素因数の和:90402

約数の個数: 20

約数和(自身を含む): 218700240

約数和(自身を除く): 79619271

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 90371, 271113, 813339, 1717049, 2440017, 5151147, 7320051, 15453441, 46360323, 139080969]

約数ペア:

[(1, 139080969), (3, 46360323), (9, 15453441), (19, 7320051), (27, 5151147), (57, 2440017), (81, 1717049), (171, 813339), (513, 271113), (1539, 90371)]