18058887

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 34524672

約数和(自身を除く): 16465785

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 103, 121, 161, 207, 231, 253, 309, 363, 483, 693, 721, 759, 847, 927, 1089, 1133, 1449, 1771, 2163, 2277, 2369, 2541, 2783, 3399, 5313, 6489, 7107, 7623, 7931, 8349, 10197, 12463, 15939, 16583, 19481, 21321, 23793, 25047, 26059, 37389, 49749, 58443, 71379, 78177, 87241, 112167, 149247, 175329, 182413, 234531, 261723, 286649, 547239, 785169, 859947, 1641717, 2006543, 2579841, 6019629, 18058887]

約数ペア:

[(1, 18058887), (3, 6019629), (7, 2579841), (9, 2006543), (11, 1641717), (21, 859947), (23, 785169), (33, 547239), (63, 286649), (69, 261723), (77, 234531), (99, 182413), (103, 175329), (121, 149247), (161, 112167), (207, 87241), (231, 78177), (253, 71379), (309, 58443), (363, 49749), (483, 37389), (693, 26059), (721, 25047), (759, 23793), (847, 21321), (927, 19481), (1089, 16583), (1133, 15939), (1449, 12463), (1771, 10197), (2163, 8349), (2277, 7931), (2369, 7623), (2541, 7107), (2783, 6489), (3399, 5313)]