201998139

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2333}}^1$

素因数の和:2400

約数の個数: 48

約数和(自身を含む): 340577280

約数和(自身を除く): 138579141

約数列:

[1, 3, 7, 19, 21, 31, 49, 57, 93, 133, 147, 217, 399, 589, 651, 931, 1519, 1767, 2333, 2793, 4123, 4557, 6999, 12369, 16331, 28861, 44327, 48993, 72323, 86583, 114317, 132981, 216969, 310289, 342951, 506261, 930867, 1374137, 1518783, 2172023, 3543827, 4122411, 6516069, 9618959, 10631481, 28856877, 67332713, 201998139]

約数ペア:

[(1, 201998139), (3, 67332713), (7, 28856877), (19, 10631481), (21, 9618959), (31, 6516069), (49, 4122411), (57, 3543827), (93, 2172023), (133, 1518783), (147, 1374137), (217, 930867), (399, 506261), (589, 342951), (651, 310289), (931, 216969), (1519, 132981), (1767, 114317), (2333, 86583), (2793, 72323), (4123, 48993), (4557, 44327), (6999, 28861), (12369, 16331)]