31671387

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 36

約数和(自身を含む): 50901760

約数和(自身を除く): 19230373

約数列:

[1, 3, 9, 11, 33, 99, 121, 127, 229, 363, 381, 687, 1089, 1143, 1397, 2061, 2519, 4191, 7557, 12573, 15367, 22671, 27709, 29083, 46101, 83127, 87249, 138303, 249381, 261747, 319913, 959739, 2879217, 3519043, 10557129, 31671387]

約数ペア:

[(1, 31671387), (3, 10557129), (9, 3519043), (11, 2879217), (33, 959739), (99, 319913), (121, 261747), (127, 249381), (229, 138303), (363, 87249), (381, 83127), (687, 46101), (1089, 29083), (1143, 27709), (1397, 22671), (2061, 15367), (2519, 12573), (4191, 7557)]