72643221

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{6037}}^1$

素因数の和:6241

約数の個数: 24

約数和(自身を含む): 120566784

約数和(自身を除く): 47923563

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1719, 4011, 6037, 12033, 18111, 42259, 54333, 126777, 380331, 1153067, 3459201, 8071469, 10377603, 24214407, 72643221]

約数ペア:

[(1, 72643221), (3, 24214407), (7, 10377603), (9, 8071469), (21, 3459201), (63, 1153067), (191, 380331), (573, 126777), (1337, 54333), (1719, 42259), (4011, 18111), (6037, 12033)]