63888993

素因数分解:

$3^4\times 7^2\times {\mathrm{16097}}^1$

素因数の和:16123

約数の個数: 30

約数和(自身を含む): 111027906

約数和(自身を除く): 47138913

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 16097, 48291, 112679, 144873, 338037, 434619, 788753, 1014111, 1303857, 2366259, 3042333, 7098777, 9126999, 21296331, 63888993]

約数ペア:

[(1, 63888993), (3, 21296331), (7, 9126999), (9, 7098777), (21, 3042333), (27, 2366259), (49, 1303857), (63, 1014111), (81, 788753), (147, 434619), (189, 338037), (441, 144873), (567, 112679), (1323, 48291), (3969, 16097)]