25900173

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 17430387

約数列:

[1, 3, 9, 13, 19, 39, 57, 61, 117, 171, 183, 191, 247, 549, 573, 741, 793, 1159, 1719, 2223, 2379, 2483, 3477, 3629, 7137, 7449, 10431, 10887, 11651, 15067, 22347, 32661, 34953, 45201, 47177, 104859, 135603, 141531, 151463, 221369, 424593, 454389, 664107, 1363167, 1992321, 2877797, 8633391, 25900173]

約数ペア:

[(1, 25900173), (3, 8633391), (9, 2877797), (13, 1992321), (19, 1363167), (39, 664107), (57, 454389), (61, 424593), (117, 221369), (171, 151463), (183, 141531), (191, 135603), (247, 104859), (549, 47177), (573, 45201), (741, 34953), (793, 32661), (1159, 22347), (1719, 15067), (2223, 11651), (2379, 10887), (2483, 10431), (3477, 7449), (3629, 7137)]