239968407

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1\times {\mathrm{719}}^1$

素因数の和:1443

約数の個数: 32

約数和(自身を含む): 382648320

約数和(自身を除く): 142679913

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 691, 719, 2073, 2157, 4837, 5033, 14511, 15099, 15893, 16537, 47679, 49611, 111251, 115759, 333753, 347277, 496829, 1490487, 3477803, 10433409, 11427067, 34281201, 79989469, 239968407]

約数ペア:

[(1, 239968407), (3, 79989469), (7, 34281201), (21, 11427067), (23, 10433409), (69, 3477803), (161, 1490487), (483, 496829), (691, 347277), (719, 333753), (2073, 115759), (2157, 111251), (4837, 49611), (5033, 47679), (14511, 16537), (15099, 15893)]