2938863879

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1\times {\mathrm{997}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 4932195840

約数和(自身を除く): 1993331961

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 659, 997, 1491, 1977, 2991, 4473, 4613, 5931, 6979, 8973, 13839, 20937, 41517, 46789, 62811, 70787, 140367, 212361, 327523, 421101, 495509, 637083, 657023, 982569, 1486527, 1971069, 2947707, 4459581, 4599161, 5913207, 13797483, 41392449, 46648633, 139945899, 326540431, 419837697, 979621293, 2938863879]

約数ペア:

[(1, 2938863879), (3, 979621293), (7, 419837697), (9, 326540431), (21, 139945899), (63, 46648633), (71, 41392449), (213, 13797483), (497, 5913207), (639, 4599161), (659, 4459581), (997, 2947707), (1491, 1971069), (1977, 1486527), (2991, 982569), (4473, 657023), (4613, 637083), (5931, 495509), (6979, 421101), (8973, 327523), (13839, 212361), (20937, 140367), (41517, 70787), (46789, 62811)]