2051278155

素因数分解:

$3^3\times 5^1\times {\mathrm{2917}}^1\times {\mathrm{5209}}^1$

素因数の和:8140

約数の個数: 32

約数和(自身を含む): 3648667200

約数和(自身を除く): 1597389045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2917, 5209, 8751, 14585, 15627, 26045, 26253, 43755, 46881, 78135, 78759, 131265, 140643, 234405, 393795, 703215, 15194653, 45583959, 75973265, 136751877, 227919795, 410255631, 683759385, 2051278155]

約数ペア:

[(1, 2051278155), (3, 683759385), (5, 410255631), (9, 227919795), (15, 136751877), (27, 75973265), (45, 45583959), (135, 15194653), (2917, 703215), (5209, 393795), (8751, 234405), (14585, 140643), (15627, 131265), (26045, 78759), (26253, 78135), (43755, 46881)]