78159165

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2473}}^1$

素因数の和:2538

約数の個数: 48

約数和(自身を含む): 148915008

約数和(自身を除く): 70755843

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 645, 735, 903, 1505, 2107, 2473, 4515, 6321, 7419, 10535, 12365, 17311, 31605, 37095, 51933, 86555, 106339, 121177, 259665, 319017, 363531, 531695, 605885, 744373, 1595085, 1817655, 2233119, 3721865, 5210611, 11165595, 15631833, 26053055, 78159165]

約数ペア:

[(1, 78159165), (3, 26053055), (5, 15631833), (7, 11165595), (15, 5210611), (21, 3721865), (35, 2233119), (43, 1817655), (49, 1595085), (105, 744373), (129, 605885), (147, 531695), (215, 363531), (245, 319017), (301, 259665), (645, 121177), (735, 106339), (903, 86555), (1505, 51933), (2107, 37095), (2473, 31605), (4515, 17311), (6321, 12365), (7419, 10535)]