31698693

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15937}}^1$

素因数の和:15973

約数の個数: 24

約数和(自身を含む): 52212888

約数和(自身を除く): 20514195

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 15937, 47811, 143433, 207181, 270929, 621543, 812787, 1864629, 2438361, 3522077, 10566231, 31698693]

約数ペア:

[(1, 31698693), (3, 10566231), (9, 3522077), (13, 2438361), (17, 1864629), (39, 812787), (51, 621543), (117, 270929), (153, 207181), (221, 143433), (663, 47811), (1989, 15937)]