639091713

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{6067}}^1$

素因数の和:6193

約数の個数: 32

約数和(自身を含む): 955540096

約数和(自身を除く): 316448383

約数列:

[1, 3, 13, 37, 39, 73, 111, 219, 481, 949, 1443, 2701, 2847, 6067, 8103, 18201, 35113, 78871, 105339, 224479, 236613, 442891, 673437, 1328673, 2918227, 5757583, 8754681, 16386967, 17272749, 49160901, 213030571, 639091713]

約数ペア:

[(1, 639091713), (3, 213030571), (13, 49160901), (37, 17272749), (39, 16386967), (73, 8754681), (111, 5757583), (219, 2918227), (481, 1328673), (949, 673437), (1443, 442891), (2701, 236613), (2847, 224479), (6067, 105339), (8103, 78871), (18201, 35113)]