80474877

素因数分解:

$3^4\times 7^1\times {\mathrm{141931}}^1$

素因数の和:141950

約数の個数: 20

約数和(自身を含む): 137390176

約数和(自身を除く): 56915299

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 141931, 425793, 993517, 1277379, 2980551, 3832137, 8941653, 11496411, 26824959, 80474877]

約数ペア:

[(1, 80474877), (3, 26824959), (7, 11496411), (9, 8941653), (21, 3832137), (27, 2980551), (63, 1277379), (81, 993517), (189, 425793), (567, 141931)]