11728521

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 21026304

約数和(自身を除く): 9297783

約数列:

[1, 3, 7, 9, 17, 21, 47, 51, 63, 119, 141, 153, 233, 329, 357, 423, 699, 799, 987, 1071, 1631, 2097, 2397, 2961, 3961, 4893, 5593, 7191, 10951, 11883, 14679, 16779, 27727, 32853, 35649, 50337, 76657, 83181, 98559, 186167, 229971, 249543, 558501, 689913, 1303169, 1675503, 3909507, 11728521]

約数ペア:

[(1, 11728521), (3, 3909507), (7, 1675503), (9, 1303169), (17, 689913), (21, 558501), (47, 249543), (51, 229971), (63, 186167), (119, 98559), (141, 83181), (153, 76657), (233, 50337), (329, 35649), (357, 32853), (423, 27727), (699, 16779), (799, 14679), (987, 11883), (1071, 10951), (1631, 7191), (2097, 5593), (2397, 4893), (2961, 3961)]