263540907

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 448523712

約数和(自身を除く): 184982805

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 257, 287, 369, 397, 771, 861, 1191, 1799, 2313, 2583, 2779, 3573, 5397, 8337, 10537, 16191, 16277, 25011, 31611, 48831, 73759, 94833, 102029, 113939, 146493, 221277, 306087, 341817, 663831, 714203, 918261, 1025451, 2142609, 4183189, 6427827, 12549567, 29282323, 37648701, 87846969, 263540907]

約数ペア:

[(1, 263540907), (3, 87846969), (7, 37648701), (9, 29282323), (21, 12549567), (41, 6427827), (63, 4183189), (123, 2142609), (257, 1025451), (287, 918261), (369, 714203), (397, 663831), (771, 341817), (861, 306087), (1191, 221277), (1799, 146493), (2313, 113939), (2583, 102029), (2779, 94833), (3573, 73759), (5397, 48831), (8337, 31611), (10537, 25011), (16191, 16277)]