1856421

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 3111680

約数和(自身を除く): 1255259

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 373, 553, 711, 1119, 1659, 2611, 3357, 4977, 7833, 23499, 29467, 88401, 206269, 265203, 618807, 1856421]

約数ペア:

[(1, 1856421), (3, 618807), (7, 265203), (9, 206269), (21, 88401), (63, 29467), (79, 23499), (237, 7833), (373, 4977), (553, 3357), (711, 2611), (1119, 1659)]