51908871

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1499}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 84672000

約数和(自身を除く): 32763129

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 291, 357, 679, 1499, 1649, 2037, 4497, 4947, 10493, 11543, 25483, 31479, 34629, 76449, 145403, 178381, 436209, 535143, 1017821, 2471851, 3053463, 7415553, 17302957, 51908871]

約数ペア:

[(1, 51908871), (3, 17302957), (7, 7415553), (17, 3053463), (21, 2471851), (51, 1017821), (97, 535143), (119, 436209), (291, 178381), (357, 145403), (679, 76449), (1499, 34629), (1649, 31479), (2037, 25483), (4497, 11543), (4947, 10493)]