305890809

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{2791}}^1$

素因数の和:3125

約数の個数: 32

約数和(自身を含む): 495323136

約数和(自身を除く): 189432327

約数列:

[1, 3, 7, 17, 21, 51, 119, 307, 357, 921, 2149, 2791, 5219, 6447, 8373, 15657, 19537, 36533, 47447, 58611, 109599, 142341, 332129, 856837, 996387, 2570511, 5997859, 14566229, 17993577, 43698687, 101963603, 305890809]

約数ペア:

[(1, 305890809), (3, 101963603), (7, 43698687), (17, 17993577), (21, 14566229), (51, 5997859), (119, 2570511), (307, 996387), (357, 856837), (921, 332129), (2149, 142341), (2791, 109599), (5219, 58611), (6447, 47447), (8373, 36533), (15657, 19537)]