80499321

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20947}}^1$

素因数の和:21021

約数の個数: 24

約数和(自身を含む): 135072704

約数和(自身を除く): 54573383

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 20947, 62841, 146629, 188523, 439887, 1277767, 1319661, 3833301, 8944369, 11499903, 26833107, 80499321]

約数ペア:

[(1, 80499321), (3, 26833107), (7, 11499903), (9, 8944369), (21, 3833301), (61, 1319661), (63, 1277767), (183, 439887), (427, 188523), (549, 146629), (1281, 62841), (3843, 20947)]