7143981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 11182080

約数和(自身を除く): 4038099

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 311, 403, 589, 741, 933, 1209, 1767, 4043, 5909, 7657, 9641, 12129, 17727, 22971, 28923, 76817, 125333, 183179, 230451, 375999, 549537, 2381327, 7143981]

約数ペア:

[(1, 7143981), (3, 2381327), (13, 549537), (19, 375999), (31, 230451), (39, 183179), (57, 125333), (93, 76817), (247, 28923), (311, 22971), (403, 17727), (589, 12129), (741, 9641), (933, 7657), (1209, 5909), (1767, 4043)]