15777657

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 28080000

約数和(自身を除く): 12302343

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 269, 343, 399, 441, 807, 931, 1029, 1197, 1883, 2421, 2793, 3087, 5111, 5649, 6517, 8379, 13181, 15333, 16947, 19551, 35777, 39543, 45999, 58653, 92267, 107331, 118629, 250439, 276801, 321993, 751317, 830403, 1753073, 2253951, 5259219, 15777657]

約数ペア:

[(1, 15777657), (3, 5259219), (7, 2253951), (9, 1753073), (19, 830403), (21, 751317), (49, 321993), (57, 276801), (63, 250439), (133, 118629), (147, 107331), (171, 92267), (269, 58653), (343, 45999), (399, 39543), (441, 35777), (807, 19551), (931, 16947), (1029, 15333), (1197, 13181), (1883, 8379), (2421, 6517), (2793, 5649), (3087, 5111)]