2667609

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 4694976

約数和(自身を除く): 2027367

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 263, 441, 483, 789, 1127, 1449, 1841, 2367, 3381, 5523, 6049, 10143, 12887, 16569, 18147, 38661, 42343, 54441, 115983, 127029, 296401, 381087, 889203, 2667609]

約数ペア:

[(1, 2667609), (3, 889203), (7, 381087), (9, 296401), (21, 127029), (23, 115983), (49, 54441), (63, 42343), (69, 38661), (147, 18147), (161, 16569), (207, 12887), (263, 10143), (441, 6049), (483, 5523), (789, 3381), (1127, 2367), (1449, 1841)]