51685947

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 82368000

約数和(自身を除く): 30682053

約数列:

[1, 3, 9, 19, 47, 57, 59, 109, 141, 171, 177, 327, 423, 531, 893, 981, 1121, 2071, 2679, 2773, 3363, 5123, 6213, 6431, 8037, 8319, 10089, 15369, 18639, 19293, 24957, 46107, 52687, 57879, 97337, 122189, 158061, 292011, 302257, 366567, 474183, 876033, 906771, 1099701, 2720313, 5742883, 17228649, 51685947]

約数ペア:

[(1, 51685947), (3, 17228649), (9, 5742883), (19, 2720313), (47, 1099701), (57, 906771), (59, 876033), (109, 474183), (141, 366567), (171, 302257), (177, 292011), (327, 158061), (423, 122189), (531, 97337), (893, 57879), (981, 52687), (1121, 46107), (2071, 24957), (2679, 19293), (2773, 18639), (3363, 15369), (5123, 10089), (6213, 8319), (6431, 8037)]