4042647

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 36

約数和(自身を含む): 6935760

約数和(自身を除く): 2893113

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 103, 147, 267, 309, 441, 623, 721, 801, 927, 1869, 2163, 4361, 5047, 5607, 6489, 9167, 13083, 15141, 27501, 39249, 45423, 64169, 82503, 192507, 449183, 577521, 1347549, 4042647]

約数ペア:

[(1, 4042647), (3, 1347549), (7, 577521), (9, 449183), (21, 192507), (49, 82503), (63, 64169), (89, 45423), (103, 39249), (147, 27501), (267, 15141), (309, 13083), (441, 9167), (623, 6489), (721, 5607), (801, 5047), (927, 4361), (1869, 2163)]