3721221

素因数分解:

$3^4\times 7^1\times {\mathrm{6563}}^1$

素因数の和:6582

約数の個数: 20

約数和(自身を含む): 6353952

約数和(自身を除く): 2632731

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 6563, 19689, 45941, 59067, 137823, 177201, 413469, 531603, 1240407, 3721221]

約数ペア:

[(1, 3721221), (3, 1240407), (7, 531603), (9, 413469), (21, 177201), (27, 137823), (63, 59067), (81, 45941), (189, 19689), (567, 6563)]