291275061

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2953}}^1$

素因数の和:3042

約数の個数: 48

約数和(自身を含む): 501092928

約数和(自身を除く): 209817867

約数列:

[1, 3, 7, 11, 21, 33, 49, 61, 77, 147, 183, 231, 427, 539, 671, 1281, 1617, 2013, 2953, 2989, 4697, 8859, 8967, 14091, 20671, 32483, 32879, 62013, 97449, 98637, 144697, 180133, 227381, 434091, 540399, 682143, 1260931, 1591667, 1981463, 3782793, 4775001, 5944389, 8826517, 13870241, 26479551, 41610723, 97091687, 291275061]

約数ペア:

[(1, 291275061), (3, 97091687), (7, 41610723), (11, 26479551), (21, 13870241), (33, 8826517), (49, 5944389), (61, 4775001), (77, 3782793), (147, 1981463), (183, 1591667), (231, 1260931), (427, 682143), (539, 540399), (671, 434091), (1281, 227381), (1617, 180133), (2013, 144697), (2953, 98637), (2989, 97449), (4697, 62013), (8859, 32879), (8967, 32483), (14091, 20671)]