68907321

素因数分解:

$3^3\times 7^1\times {\mathrm{443}}^1\times {\mathrm{823}}^1$

素因数の和:1282

約数の個数: 32

約数和(自身を含む): 117073920

約数和(自身を除く): 48166599

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 443, 823, 1329, 2469, 3101, 3987, 5761, 7407, 9303, 11961, 17283, 22221, 27909, 51849, 83727, 155547, 364589, 1093767, 2552123, 3281301, 7656369, 9843903, 22969107, 68907321]

約数ペア:

[(1, 68907321), (3, 22969107), (7, 9843903), (9, 7656369), (21, 3281301), (27, 2552123), (63, 1093767), (189, 364589), (443, 155547), (823, 83727), (1329, 51849), (2469, 27909), (3101, 22221), (3987, 17283), (5761, 11961), (7407, 9303)]