219312291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{739}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 353566080

約数和(自身を除く): 134253789

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 529, 561, 739, 759, 1173, 1587, 2217, 4301, 5819, 8129, 8993, 12563, 12903, 16997, 17457, 24387, 26979, 37689, 50991, 98923, 138193, 186967, 288949, 296769, 390931, 414579, 560901, 866847, 1172793, 3178439, 4300241, 6645827, 9535317, 12900723, 19937481, 73104097, 219312291]

約数ペア:

[(1, 219312291), (3, 73104097), (11, 19937481), (17, 12900723), (23, 9535317), (33, 6645827), (51, 4300241), (69, 3178439), (187, 1172793), (253, 866847), (391, 560901), (529, 414579), (561, 390931), (739, 296769), (759, 288949), (1173, 186967), (1587, 138193), (2217, 98923), (4301, 50991), (5819, 37689), (8129, 26979), (8993, 24387), (12563, 17457), (12903, 16997)]