289774881

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20759}}^1$

素因数の和:20826

約数の個数: 32

約数和(自身を含む): 478310400

約数和(自身を除く): 188535519

約数列:

[1, 3, 9, 11, 27, 33, 47, 99, 141, 297, 423, 517, 1269, 1551, 4653, 13959, 20759, 62277, 186831, 228349, 560493, 685047, 975673, 2055141, 2927019, 6165423, 8781057, 10732403, 26343171, 32197209, 96591627, 289774881]

約数ペア:

[(1, 289774881), (3, 96591627), (9, 32197209), (11, 26343171), (27, 10732403), (33, 8781057), (47, 6165423), (99, 2927019), (141, 2055141), (297, 975673), (423, 685047), (517, 560493), (1269, 228349), (1551, 186831), (4653, 62277), (13959, 20759)]