681309

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 1073592

約数和(自身を除く): 392283

約数列:

[1, 3, 9, 17, 51, 61, 73, 153, 183, 219, 549, 657, 1037, 1241, 3111, 3723, 4453, 9333, 11169, 13359, 40077, 75701, 227103, 681309]

約数ペア:

[(1, 681309), (3, 227103), (9, 75701), (17, 40077), (51, 13359), (61, 11169), (73, 9333), (153, 4453), (183, 3723), (219, 3111), (549, 1241), (657, 1037)]