31770261

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 50918400

約数和(自身を除く): 19148139

約数列:

[1, 3, 9, 19, 47, 57, 59, 67, 141, 171, 177, 201, 423, 531, 603, 893, 1121, 1273, 2679, 2773, 3149, 3363, 3819, 3953, 8037, 8319, 9447, 10089, 11457, 11859, 24957, 28341, 35577, 52687, 59831, 75107, 158061, 179493, 185791, 225321, 474183, 538479, 557373, 675963, 1672119, 3530029, 10590087, 31770261]

約数ペア:

[(1, 31770261), (3, 10590087), (9, 3530029), (19, 1672119), (47, 675963), (57, 557373), (59, 538479), (67, 474183), (141, 225321), (171, 185791), (177, 179493), (201, 158061), (423, 75107), (531, 59831), (603, 52687), (893, 35577), (1121, 28341), (1273, 24957), (2679, 11859), (2773, 11457), (3149, 10089), (3363, 9447), (3819, 8319), (3953, 8037)]