157005681

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{2503}}^1$

素因数の和:2645

約数の個数: 32

約数和(自身を含む): 249999360

約数和(自身を除く): 92993679

約数列:

[1, 3, 7, 21, 29, 87, 103, 203, 309, 609, 721, 2163, 2503, 2987, 7509, 8961, 17521, 20909, 52563, 62727, 72587, 217761, 257809, 508109, 773427, 1524327, 1804663, 5413989, 7476461, 22429383, 52335227, 157005681]

約数ペア:

[(1, 157005681), (3, 52335227), (7, 22429383), (21, 7476461), (29, 5413989), (87, 1804663), (103, 1524327), (203, 773427), (309, 508109), (609, 257809), (721, 217761), (2163, 72587), (2503, 62727), (2987, 52563), (7509, 20909), (8961, 17521)]