65131857

素因数分解:

$3^4\times 7^1\times {\mathrm{313}}^1\times {\mathrm{367}}^1$

素因数の和:699

約数の個数: 40

約数和(自身を含む): 111854336

約数和(自身を除く): 46722479

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 313, 367, 567, 939, 1101, 2191, 2569, 2817, 3303, 6573, 7707, 8451, 9909, 19719, 23121, 25353, 29727, 59157, 69363, 114871, 177471, 208089, 344613, 804097, 1033839, 2412291, 3101517, 7236873, 9304551, 21710619, 65131857]

約数ペア:

[(1, 65131857), (3, 21710619), (7, 9304551), (9, 7236873), (21, 3101517), (27, 2412291), (63, 1033839), (81, 804097), (189, 344613), (313, 208089), (367, 177471), (567, 114871), (939, 69363), (1101, 59157), (2191, 29727), (2569, 25353), (2817, 23121), (3303, 19719), (6573, 9909), (7707, 8451)]