217604037

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{607}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 340713472

約数和(自身を除く): 123109435

約数列:

[1, 3, 7, 21, 43, 129, 301, 397, 607, 903, 1191, 1821, 2779, 4249, 8337, 12747, 17071, 26101, 51213, 78303, 119497, 182707, 240979, 358491, 548121, 722937, 1686853, 5060559, 10362097, 31086291, 72534679, 217604037]

約数ペア:

[(1, 217604037), (3, 72534679), (7, 31086291), (21, 10362097), (43, 5060559), (129, 1686853), (301, 722937), (397, 548121), (607, 358491), (903, 240979), (1191, 182707), (1821, 119497), (2779, 78303), (4249, 51213), (8337, 26101), (12747, 17071)]