78246405

素因数分解:

$3^4\times 5^1\times {\mathrm{193201}}^1$

素因数の和:193218

約数の個数: 20

約数和(自身を含む): 140264652

約数和(自身を除く): 62018247

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 193201, 579603, 966005, 1738809, 2898015, 5216427, 8694045, 15649281, 26082135, 78246405]

約数ペア:

[(1, 78246405), (3, 26082135), (5, 15649281), (9, 8694045), (15, 5216427), (27, 2898015), (45, 1738809), (81, 966005), (135, 579603), (405, 193201)]