25831431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5209}}^1$

素因数の和:5263

約数の個数: 24

約数和(自身を含む): 40638000

約数和(自身を除く): 14806569

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 5209, 15627, 46881, 98971, 151061, 296913, 453183, 890739, 1359549, 2870159, 8610477, 25831431]

約数ペア:

[(1, 25831431), (3, 8610477), (9, 2870159), (19, 1359549), (29, 890739), (57, 453183), (87, 296913), (171, 151061), (261, 98971), (551, 46881), (1653, 15627), (4959, 5209)]