42787521

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 81126144

約数和(自身を除く): 38338623

約数列:

[1, 3, 7, 9, 17, 21, 23, 27, 51, 63, 69, 81, 119, 153, 161, 189, 193, 207, 357, 391, 459, 483, 567, 579, 621, 1071, 1173, 1351, 1377, 1449, 1737, 1863, 2737, 3213, 3281, 3519, 4053, 4347, 4439, 5211, 8211, 9639, 9843, 10557, 12159, 13041, 13317, 15633, 22967, 24633, 29529, 31073, 31671, 36477, 39951, 68901, 73899, 75463, 88587, 93219, 109431, 119853, 206703, 221697, 226389, 265761, 279657, 359559, 528241, 620109, 679167, 838971, 1584723, 1860327, 2037501, 2516913, 4754169, 6112503, 14262507, 42787521]

約数ペア:

[(1, 42787521), (3, 14262507), (7, 6112503), (9, 4754169), (17, 2516913), (21, 2037501), (23, 1860327), (27, 1584723), (51, 838971), (63, 679167), (69, 620109), (81, 528241), (119, 359559), (153, 279657), (161, 265761), (189, 226389), (193, 221697), (207, 206703), (357, 119853), (391, 109431), (459, 93219), (483, 88587), (567, 75463), (579, 73899), (621, 68901), (1071, 39951), (1173, 36477), (1351, 31671), (1377, 31073), (1449, 29529), (1737, 24633), (1863, 22967), (2737, 15633), (3213, 13317), (3281, 13041), (3519, 12159), (4053, 10557), (4347, 9843), (4439, 9639), (5211, 8211)]