28811703

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2\times {\mathrm{89}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 40856400

約数和(自身を除く): 12044697

約数列:

[1, 3, 29, 61, 87, 89, 183, 267, 1769, 2581, 3721, 5307, 5429, 7743, 11163, 16287, 107909, 157441, 323727, 331169, 472323, 993507, 9603901, 28811703]

約数ペア:

[(1, 28811703), (3, 9603901), (29, 993507), (61, 472323), (87, 331169), (89, 323727), (183, 157441), (267, 107909), (1769, 16287), (2581, 11163), (3721, 7743), (5307, 5429)]