2888403

素因数分解:

$3^1\times 7^4\times {\mathrm{401}}^1$

素因数の和:432

約数の個数: 20

約数和(自身を含む): 4504008

約数和(自身を除く): 1615605

約数列:

[1, 3, 7, 21, 49, 147, 343, 401, 1029, 1203, 2401, 2807, 7203, 8421, 19649, 58947, 137543, 412629, 962801, 2888403]

約数ペア:

[(1, 2888403), (3, 962801), (7, 412629), (21, 137543), (49, 58947), (147, 19649), (343, 8421), (401, 7203), (1029, 2807), (1203, 2401)]