120719403

素因数分解:

$3^4\times 7^1\times {\mathrm{212909}}^1$

素因数の和:212928

約数の個数: 20

約数和(自身を含む): 206096880

約数和(自身を除く): 85377477

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 212909, 638727, 1490363, 1916181, 4471089, 5748543, 13413267, 17245629, 40239801, 120719403]

約数ペア:

[(1, 120719403), (3, 40239801), (7, 17245629), (9, 13413267), (21, 5748543), (27, 4471089), (63, 1916181), (81, 1490363), (189, 638727), (567, 212909)]