1279665219

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{2861}}^1$

素因数の和:2968

約数の個数: 48

約数和(自身を含む): 2093610240

約数和(自身を除く): 813945021

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 361, 399, 413, 1083, 1121, 1239, 2527, 2861, 3363, 7581, 7847, 8583, 20027, 21299, 23541, 54359, 60081, 63897, 149093, 163077, 168799, 380513, 447279, 506397, 1032821, 1141539, 1181593, 3098463, 3207181, 3544779, 7229747, 9621543, 21689241, 22450267, 60936439, 67350801, 182809317, 426555073, 1279665219]

約数ペア:

[(1, 1279665219), (3, 426555073), (7, 182809317), (19, 67350801), (21, 60936439), (57, 22450267), (59, 21689241), (133, 9621543), (177, 7229747), (361, 3544779), (399, 3207181), (413, 3098463), (1083, 1181593), (1121, 1141539), (1239, 1032821), (2527, 506397), (2861, 447279), (3363, 380513), (7581, 168799), (7847, 163077), (8583, 149093), (20027, 63897), (21299, 60081), (23541, 54359)]