820643901

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{2543}}^1$

素因数の和:2702

約数の個数: 48

約数和(自身を含む): 1385889792

約数和(自身を除く): 565245891

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 127, 231, 363, 381, 847, 889, 1397, 2541, 2543, 2667, 4191, 7629, 9779, 15367, 17801, 27973, 29337, 46101, 53403, 83919, 107569, 195811, 307703, 322707, 322961, 587433, 923109, 968883, 2153921, 2260727, 3552571, 6461763, 6782181, 10657713, 24867997, 39078281, 74603991, 117234843, 273547967, 820643901]

約数ペア:

[(1, 820643901), (3, 273547967), (7, 117234843), (11, 74603991), (21, 39078281), (33, 24867997), (77, 10657713), (121, 6782181), (127, 6461763), (231, 3552571), (363, 2260727), (381, 2153921), (847, 968883), (889, 923109), (1397, 587433), (2541, 322961), (2543, 322707), (2667, 307703), (4191, 195811), (7629, 107569), (9779, 83919), (15367, 53403), (17801, 46101), (27973, 29337)]