202100031

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{313}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 344977984

約数和(自身を除く): 142877953

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 277, 313, 333, 777, 831, 939, 1939, 2191, 2331, 2493, 2817, 5817, 6573, 10249, 11581, 17451, 19719, 30747, 34743, 71743, 81067, 86701, 92241, 104229, 215229, 243201, 260103, 606907, 645687, 729603, 780309, 1820721, 3207937, 5462163, 9623811, 22455559, 28871433, 67366677, 202100031]

約数ペア:

[(1, 202100031), (3, 67366677), (7, 28871433), (9, 22455559), (21, 9623811), (37, 5462163), (63, 3207937), (111, 1820721), (259, 780309), (277, 729603), (313, 645687), (333, 606907), (777, 260103), (831, 243201), (939, 215229), (1939, 104229), (2191, 92241), (2331, 86701), (2493, 81067), (2817, 71743), (5817, 34743), (6573, 30747), (10249, 19719), (11581, 17451)]