31139289

素因数分解:

$3^3\times {\mathrm{1061}}^1\times {\mathrm{1087}}^1$

素因数の和:2157

約数の個数: 16

約数和(自身を含む): 46218240

約数和(自身を除く): 15078951

約数列:

[1, 3, 9, 27, 1061, 1087, 3183, 3261, 9549, 9783, 28647, 29349, 1153307, 3459921, 10379763, 31139289]

約数ペア:

[(1, 31139289), (3, 10379763), (9, 3459921), (27, 1153307), (1061, 29349), (1087, 28647), (3183, 9783), (3261, 9549)]