7901691

素因数分解:

$3^1\times 7^4\times {\mathrm{1097}}^1$

素因数の和:1128

約数の個数: 20

約数和(自身を含む): 12301992

約数和(自身を除く): 4400301

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1097, 2401, 3291, 7203, 7679, 23037, 53753, 161259, 376271, 1128813, 2633897, 7901691]

約数ペア:

[(1, 7901691), (3, 2633897), (7, 1128813), (21, 376271), (49, 161259), (147, 53753), (343, 23037), (1029, 7679), (1097, 7203), (2401, 3291)]