51971199

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 81977856

約数和(自身を除く): 30006657

約数列:

[1, 3, 7, 21, 37, 111, 211, 259, 317, 633, 777, 951, 1477, 2219, 4431, 6657, 7807, 11729, 23421, 35187, 54649, 66887, 82103, 163947, 200661, 246309, 468209, 1404627, 2474819, 7424457, 17323733, 51971199]

約数ペア:

[(1, 51971199), (3, 17323733), (7, 7424457), (21, 2474819), (37, 1404627), (111, 468209), (211, 246309), (259, 200661), (317, 163947), (633, 82103), (777, 66887), (951, 54649), (1477, 35187), (2219, 23421), (4431, 11729), (6657, 7807)]