78875181

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3449}}^1$

素因数の和:3487

約数の個数: 48

約数和(自身を含む): 146832000

約数和(自身を除く): 67956819

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 121, 189, 231, 297, 363, 693, 847, 1089, 2079, 2541, 3267, 3449, 7623, 10347, 22869, 24143, 31041, 37939, 72429, 93123, 113817, 217287, 265573, 341451, 417329, 651861, 796719, 1024353, 1251987, 2390157, 2921303, 3755961, 7170471, 8763909, 11267883, 26291727, 78875181]

約数ペア:

[(1, 78875181), (3, 26291727), (7, 11267883), (9, 8763909), (11, 7170471), (21, 3755961), (27, 2921303), (33, 2390157), (63, 1251987), (77, 1024353), (99, 796719), (121, 651861), (189, 417329), (231, 341451), (297, 265573), (363, 217287), (693, 113817), (847, 93123), (1089, 72429), (2079, 37939), (2541, 31041), (3267, 24143), (3449, 22869), (7623, 10347)]