31690683

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{1637}}^1$

素因数の和:1888

約数の個数: 20

約数和(自身を含む): 47567520

約数和(自身を除く): 15876837

約数列:

[1, 3, 9, 27, 81, 239, 717, 1637, 2151, 4911, 6453, 14733, 19359, 44199, 132597, 391243, 1173729, 3521187, 10563561, 31690683]

約数ペア:

[(1, 31690683), (3, 10563561), (9, 3521187), (27, 1173729), (81, 391243), (239, 132597), (717, 44199), (1637, 19359), (2151, 14733), (4911, 6453)]