80927289

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2262

約数の個数: 32

約数和(自身を含む): 127990400

約数和(自身を除く): 47063111

約数列:

[1, 3, 9, 19, 27, 57, 73, 171, 219, 513, 657, 1387, 1971, 2161, 4161, 6483, 12483, 19449, 37449, 41059, 58347, 123177, 157753, 369531, 473259, 1108593, 1419777, 2997307, 4259331, 8991921, 26975763, 80927289]

約数ペア:

[(1, 80927289), (3, 26975763), (9, 8991921), (19, 4259331), (27, 2997307), (57, 1419777), (73, 1108593), (171, 473259), (219, 369531), (513, 157753), (657, 123177), (1387, 58347), (1971, 41059), (2161, 37449), (4161, 19449), (6483, 12483)]