31352841

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 51996672

約数和(自身を除く): 20643831

約数列:

[1, 3, 9, 13, 23, 39, 61, 69, 117, 183, 191, 207, 299, 549, 573, 793, 897, 1403, 1719, 2379, 2483, 2691, 4209, 4393, 7137, 7449, 11651, 12627, 13179, 18239, 22347, 34953, 39537, 54717, 57109, 104859, 151463, 164151, 171327, 267973, 454389, 513981, 803919, 1363167, 2411757, 3483649, 10450947, 31352841]

約数ペア:

[(1, 31352841), (3, 10450947), (9, 3483649), (13, 2411757), (23, 1363167), (39, 803919), (61, 513981), (69, 454389), (117, 267973), (183, 171327), (191, 164151), (207, 151463), (299, 104859), (549, 57109), (573, 54717), (793, 39537), (897, 34953), (1403, 22347), (1719, 18239), (2379, 13179), (2483, 12627), (2691, 11651), (4209, 7449), (4393, 7137)]