25854921

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 41558400

約数和(自身を除く): 15703479

約数列:

[1, 3, 9, 23, 29, 59, 69, 73, 87, 177, 207, 219, 261, 531, 657, 667, 1357, 1679, 1711, 2001, 2117, 4071, 4307, 5037, 5133, 6003, 6351, 12213, 12921, 15111, 15399, 19053, 38763, 39353, 48691, 99061, 118059, 124903, 146073, 297183, 354177, 374709, 438219, 891549, 1124127, 2872769, 8618307, 25854921]

約数ペア:

[(1, 25854921), (3, 8618307), (9, 2872769), (23, 1124127), (29, 891549), (59, 438219), (69, 374709), (73, 354177), (87, 297183), (177, 146073), (207, 124903), (219, 118059), (261, 99061), (531, 48691), (657, 39353), (667, 38763), (1357, 19053), (1679, 15399), (1711, 15111), (2001, 12921), (2117, 12213), (4071, 6351), (4307, 6003), (5037, 5133)]