26831871

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 44943360

約数和(自身を除く): 18111489

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 121, 129, 191, 297, 363, 387, 473, 573, 1089, 1161, 1419, 1719, 2101, 3267, 4257, 5157, 5203, 6303, 8213, 12771, 15609, 18909, 23111, 24639, 46827, 56727, 69333, 73917, 90343, 140481, 207999, 221751, 271029, 623997, 813087, 993773, 2439261, 2981319, 8943957, 26831871]

約数ペア:

[(1, 26831871), (3, 8943957), (9, 2981319), (11, 2439261), (27, 993773), (33, 813087), (43, 623997), (99, 271029), (121, 221751), (129, 207999), (191, 140481), (297, 90343), (363, 73917), (387, 69333), (473, 56727), (573, 46827), (1089, 24639), (1161, 23111), (1419, 18909), (1719, 15609), (2101, 12771), (3267, 8213), (4257, 6303), (5157, 5203)]