31126557

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1061}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 52199424

約数和(自身を除く): 21072867

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 231, 381, 889, 1061, 1397, 2667, 3183, 4191, 7427, 9779, 11671, 22281, 29337, 35013, 81697, 134747, 245091, 404241, 943229, 1482217, 2829687, 4446651, 10375519, 31126557]

約数ペア:

[(1, 31126557), (3, 10375519), (7, 4446651), (11, 2829687), (21, 1482217), (33, 943229), (77, 404241), (127, 245091), (231, 134747), (381, 81697), (889, 35013), (1061, 29337), (1397, 22281), (2667, 11671), (3183, 9779), (4191, 7427)]