30819921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 47333376

約数和(自身を除く): 16513455

約数列:

[1, 3, 11, 31, 33, 47, 93, 141, 341, 517, 641, 1023, 1457, 1551, 1923, 4371, 7051, 16027, 19871, 21153, 30127, 48081, 59613, 90381, 218581, 331397, 655743, 933937, 994191, 2801811, 10273307, 30819921]

約数ペア:

[(1, 30819921), (3, 10273307), (11, 2801811), (31, 994191), (33, 933937), (47, 655743), (93, 331397), (141, 218581), (341, 90381), (517, 59613), (641, 48081), (1023, 30127), (1457, 21153), (1551, 19871), (1923, 16027), (4371, 7051)]