161683995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20849}}^1$

素因数の和:20915

約数の個数: 32

約数和(自身を含む): 288230400

約数和(自身を除く): 126546405

約数列:

[1, 3, 5, 11, 15, 33, 47, 55, 141, 165, 235, 517, 705, 1551, 2585, 7755, 20849, 62547, 104245, 229339, 312735, 688017, 979903, 1146695, 2939709, 3440085, 4899515, 10778933, 14698545, 32336799, 53894665, 161683995]

約数ペア:

[(1, 161683995), (3, 53894665), (5, 32336799), (11, 14698545), (15, 10778933), (33, 4899515), (47, 3440085), (55, 2939709), (141, 1146695), (165, 979903), (235, 688017), (517, 312735), (705, 229339), (1551, 104245), (2585, 62547), (7755, 20849)]