40421997

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6481}}^1$

素因数の和:6511

約数の個数: 40

約数和(自身を含む): 75294912

約数和(自身を除く): 34872915

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 6237, 6481, 19443, 45367, 58329, 71291, 136101, 174987, 213873, 408303, 499037, 524961, 641619, 1224909, 1497111, 1924857, 3674727, 4491333, 5774571, 13473999, 40421997]

約数ペア:

[(1, 40421997), (3, 13473999), (7, 5774571), (9, 4491333), (11, 3674727), (21, 1924857), (27, 1497111), (33, 1224909), (63, 641619), (77, 524961), (81, 499037), (99, 408303), (189, 213873), (231, 174987), (297, 136101), (567, 71291), (693, 58329), (891, 45367), (2079, 19443), (6237, 6481)]