86825991

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{4441}}^1$

素因数の和:4484

約数の個数: 32

約数和(自身を含む): 142144000

約数和(自身を除く): 55318009

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 4441, 6517, 13323, 19551, 31087, 84379, 93261, 217609, 253137, 590653, 652827, 1523263, 1771959, 4134571, 4569789, 12403713, 28941997, 86825991]

約数ペア:

[(1, 86825991), (3, 28941997), (7, 12403713), (19, 4569789), (21, 4134571), (49, 1771959), (57, 1523263), (133, 652827), (147, 590653), (343, 253137), (399, 217609), (931, 93261), (1029, 84379), (2793, 31087), (4441, 19551), (6517, 13323)]