31925019

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5297}}^1$

素因数の和:5355

約数の個数: 24

約数和(自身を含む): 50733648

約数和(自身を除く): 18808629

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 5297, 6027, 15891, 37079, 111237, 217177, 259553, 651531, 778659, 1520239, 4560717, 10641673, 31925019]

約数ペア:

[(1, 31925019), (3, 10641673), (7, 4560717), (21, 1520239), (41, 778659), (49, 651531), (123, 259553), (147, 217177), (287, 111237), (861, 37079), (2009, 15891), (5297, 6027)]