3855005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 6635520

約数和(自身を除く): 2780515

約数列:

[1, 5, 7, 11, 17, 19, 31, 35, 55, 77, 85, 95, 119, 133, 155, 187, 209, 217, 323, 341, 385, 527, 589, 595, 665, 935, 1045, 1085, 1309, 1463, 1615, 1705, 2261, 2387, 2635, 2945, 3553, 3689, 4123, 5797, 6479, 6545, 7315, 10013, 11305, 11935, 17765, 18445, 20615, 24871, 28985, 32395, 40579, 45353, 50065, 70091, 110143, 124355, 202895, 226765, 350455, 550715, 771001, 3855005]

約数ペア:

[(1, 3855005), (5, 771001), (7, 550715), (11, 350455), (17, 226765), (19, 202895), (31, 124355), (35, 110143), (55, 70091), (77, 50065), (85, 45353), (95, 40579), (119, 32395), (133, 28985), (155, 24871), (187, 20615), (209, 18445), (217, 17765), (323, 11935), (341, 11305), (385, 10013), (527, 7315), (589, 6545), (595, 6479), (665, 5797), (935, 4123), (1045, 3689), (1085, 3553), (1309, 2945), (1463, 2635), (1615, 2387), (1705, 2261)]