17020647

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 29506048

約数和(自身を除く): 12485401

約数列:

[1, 3, 7, 9, 21, 43, 61, 63, 103, 129, 183, 301, 309, 387, 427, 549, 721, 903, 927, 1281, 2163, 2623, 2709, 3843, 4429, 6283, 6489, 7869, 13287, 18361, 18849, 23607, 31003, 39861, 43981, 55083, 56547, 93009, 131943, 165249, 270169, 279027, 395829, 810507, 1891183, 2431521, 5673549, 17020647]

約数ペア:

[(1, 17020647), (3, 5673549), (7, 2431521), (9, 1891183), (21, 810507), (43, 395829), (61, 279027), (63, 270169), (103, 165249), (129, 131943), (183, 93009), (301, 56547), (309, 55083), (387, 43981), (427, 39861), (549, 31003), (721, 23607), (903, 18849), (927, 18361), (1281, 13287), (2163, 7869), (2623, 6489), (2709, 6283), (3843, 4429)]