16972011

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 29795040

約数和(自身を除く): 12823029

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 809, 999, 2331, 2427, 2997, 5663, 6993, 7281, 16989, 20979, 21843, 29933, 50967, 65529, 89799, 152901, 209531, 269397, 458703, 628593, 808191, 1885779, 2424573, 5657337, 16972011]

約数ペア:

[(1, 16972011), (3, 5657337), (7, 2424573), (9, 1885779), (21, 808191), (27, 628593), (37, 458703), (63, 269397), (81, 209531), (111, 152901), (189, 89799), (259, 65529), (333, 50967), (567, 29933), (777, 21843), (809, 20979), (999, 16989), (2331, 7281), (2427, 6993), (2997, 5663)]