87000309

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 142331904

約数和(自身を除く): 55331595

約数列:

[1, 3, 9, 11, 33, 43, 99, 107, 129, 191, 321, 387, 473, 573, 963, 1177, 1419, 1719, 2101, 3531, 4257, 4601, 6303, 8213, 10593, 13803, 18909, 20437, 24639, 41409, 50611, 61311, 73917, 90343, 151833, 183933, 224807, 271029, 455499, 674421, 813087, 878791, 2023263, 2636373, 7909119, 9666701, 29000103, 87000309]

約数ペア:

[(1, 87000309), (3, 29000103), (9, 9666701), (11, 7909119), (33, 2636373), (43, 2023263), (99, 878791), (107, 813087), (129, 674421), (191, 455499), (321, 271029), (387, 224807), (473, 183933), (573, 151833), (963, 90343), (1177, 73917), (1419, 61311), (1719, 50611), (2101, 41409), (3531, 24639), (4257, 20437), (4601, 18909), (6303, 13803), (8213, 10593)]