2878569

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 4422600

約数和(自身を除く): 1544031

約数列:

[1, 3, 9, 29, 41, 87, 123, 261, 269, 369, 807, 1189, 2421, 3567, 7801, 10701, 11029, 23403, 33087, 70209, 99261, 319841, 959523, 2878569]

約数ペア:

[(1, 2878569), (3, 959523), (9, 319841), (29, 99261), (41, 70209), (87, 33087), (123, 23403), (261, 11029), (269, 10701), (369, 7801), (807, 3567), (1189, 2421)]