7891143

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 11999232

約数和(自身を除く): 4108089

約数列:

[1, 3, 13, 31, 39, 61, 93, 107, 183, 321, 403, 793, 1209, 1391, 1891, 2379, 3317, 4173, 5673, 6527, 9951, 19581, 24583, 43121, 73749, 84851, 129363, 202337, 254553, 607011, 2630381, 7891143]

約数ペア:

[(1, 7891143), (3, 2630381), (13, 607011), (31, 254553), (39, 202337), (61, 129363), (93, 84851), (107, 73749), (183, 43121), (321, 24583), (403, 19581), (793, 9951), (1209, 6527), (1391, 5673), (1891, 4173), (2379, 3317)]