12970221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{13553}}^1$

素因数の和:13596

約数の個数: 16

約数和(自身を含む): 19517760

約数和(自身を除く): 6547539

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 13553, 40659, 149083, 393037, 447249, 1179111, 4323407, 12970221]

約数ペア:

[(1, 12970221), (3, 4323407), (11, 1179111), (29, 447249), (33, 393037), (87, 149083), (319, 40659), (957, 13553)]