67807887

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 115015680

約数和(自身を除く): 47207793

約数列:

[1, 3, 7, 21, 23, 29, 47, 69, 87, 103, 141, 161, 203, 309, 329, 483, 609, 667, 721, 987, 1081, 1363, 2001, 2163, 2369, 2987, 3243, 4089, 4669, 4841, 7107, 7567, 8961, 9541, 14007, 14523, 16583, 20909, 22701, 28623, 31349, 33887, 49749, 62727, 68701, 94047, 101661, 111343, 140389, 206103, 219443, 334029, 421167, 480907, 658329, 779401, 982723, 1442721, 2338203, 2948169, 3228947, 9686841, 22602629, 67807887]

約数ペア:

[(1, 67807887), (3, 22602629), (7, 9686841), (21, 3228947), (23, 2948169), (29, 2338203), (47, 1442721), (69, 982723), (87, 779401), (103, 658329), (141, 480907), (161, 421167), (203, 334029), (309, 219443), (329, 206103), (483, 140389), (609, 111343), (667, 101661), (721, 94047), (987, 68701), (1081, 62727), (1363, 49749), (2001, 33887), (2163, 31349), (2369, 28623), (2987, 22701), (3243, 20909), (4089, 16583), (4669, 14523), (4841, 14007), (7107, 9541), (7567, 8961)]