289300263

素因数分解:

$3^1\times 7^3\times {\mathrm{263}}^1\times {\mathrm{1069}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 451968000

約数和(自身を除く): 162667737

約数列:

[1, 3, 7, 21, 49, 147, 263, 343, 789, 1029, 1069, 1841, 3207, 5523, 7483, 12887, 22449, 38661, 52381, 90209, 157143, 270627, 281147, 366667, 843441, 1100001, 1968029, 5904087, 13776203, 41328609, 96433421, 289300263]

約数ペア:

[(1, 289300263), (3, 96433421), (7, 41328609), (21, 13776203), (49, 5904087), (147, 1968029), (263, 1100001), (343, 843441), (789, 366667), (1029, 281147), (1069, 270627), (1841, 157143), (3207, 90209), (5523, 52381), (7483, 38661), (12887, 22449)]