213059889

素因数分解:

$3^4\times 7^2\times {\mathrm{53681}}^1$

素因数の和:53707

約数の個数: 30

約数和(自身を含む): 370244754

約数和(自身を除く): 157184865

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 53681, 161043, 375767, 483129, 1127301, 1449387, 2630369, 3381903, 4348161, 7891107, 10145709, 23673321, 30437127, 71019963, 213059889]

約数ペア:

[(1, 213059889), (3, 71019963), (7, 30437127), (9, 23673321), (21, 10145709), (27, 7891107), (49, 4348161), (63, 3381903), (81, 2630369), (147, 1449387), (189, 1127301), (441, 483129), (567, 375767), (1323, 161043), (3969, 53681)]