64792143

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1725

約数の個数: 40

約数和(自身を含む): 107115008

約数和(自身を除く): 42322865

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 333, 351, 481, 999, 1053, 1443, 1663, 2997, 4329, 4989, 12987, 14967, 21619, 38961, 44901, 61531, 64857, 134703, 184593, 194571, 553779, 583713, 799903, 1661337, 1751139, 2399709, 4984011, 7199127, 21597381, 64792143]

約数ペア:

[(1, 64792143), (3, 21597381), (9, 7199127), (13, 4984011), (27, 2399709), (37, 1751139), (39, 1661337), (81, 799903), (111, 583713), (117, 553779), (333, 194571), (351, 184593), (481, 134703), (999, 64857), (1053, 61531), (1443, 44901), (1663, 38961), (2997, 21619), (4329, 14967), (4989, 12987)]