289968687

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{1607}}^1$

素因数の和:1820

約数の個数: 32

約数和(自身を含む): 443036160

約数和(自身を除く): 153067473

約数列:

[1, 3, 9, 27, 41, 123, 163, 369, 489, 1107, 1467, 1607, 4401, 4821, 6683, 14463, 20049, 43389, 60147, 65887, 180441, 197661, 261941, 592983, 785823, 1778949, 2357469, 7072407, 10739581, 32218743, 96656229, 289968687]

約数ペア:

[(1, 289968687), (3, 96656229), (9, 32218743), (27, 10739581), (41, 7072407), (123, 2357469), (163, 1778949), (369, 785823), (489, 592983), (1107, 261941), (1467, 197661), (1607, 180441), (4401, 65887), (4821, 60147), (6683, 43389), (14463, 20049)]