26778861

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 42681600

約数和(自身を除く): 15902739

約数列:

[1, 3, 9, 29, 37, 47, 59, 87, 111, 141, 177, 261, 333, 423, 531, 1073, 1363, 1711, 1739, 2183, 2773, 3219, 4089, 5133, 5217, 6549, 8319, 9657, 12267, 15399, 15651, 19647, 24957, 50431, 63307, 80417, 102601, 151293, 189921, 241251, 307803, 453879, 569763, 723753, 923409, 2975429, 8926287, 26778861]

約数ペア:

[(1, 26778861), (3, 8926287), (9, 2975429), (29, 923409), (37, 723753), (47, 569763), (59, 453879), (87, 307803), (111, 241251), (141, 189921), (177, 151293), (261, 102601), (333, 80417), (423, 63307), (531, 50431), (1073, 24957), (1363, 19647), (1711, 15651), (1739, 15399), (2183, 12267), (2773, 9657), (3219, 8319), (4089, 6549), (5133, 5217)]