13260723

素因数分解:

$3^1\times 7^5\times {\mathrm{263}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 20706048

約数和(自身を除く): 7445325

約数列:

[1, 3, 7, 21, 49, 147, 263, 343, 789, 1029, 1841, 2401, 5523, 7203, 12887, 16807, 38661, 50421, 90209, 270627, 631463, 1894389, 4420241, 13260723]

約数ペア:

[(1, 13260723), (3, 4420241), (7, 1894389), (21, 631463), (49, 270627), (147, 90209), (263, 50421), (343, 38661), (789, 16807), (1029, 12887), (1841, 7203), (2401, 5523)]