2501919

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 4173312

約数和(自身を除く): 1671393

約数列:

[1, 3, 7, 9, 21, 63, 151, 263, 453, 789, 1057, 1359, 1841, 2367, 3171, 5523, 9513, 16569, 39713, 119139, 277991, 357417, 833973, 2501919]

約数ペア:

[(1, 2501919), (3, 833973), (7, 357417), (9, 277991), (21, 119139), (63, 39713), (151, 16569), (263, 9513), (453, 5523), (789, 3171), (1057, 2367), (1359, 1841)]