27949785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2549}}^1$

素因数の和:2617

約数の個数: 32

約数和(自身を含む): 48470400

約数和(自身を除く): 20520615

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 2549, 3655, 7647, 10965, 12745, 38235, 43333, 109607, 129999, 216665, 328821, 548035, 649995, 1644105, 1863319, 5589957, 9316595, 27949785]

約数ペア:

[(1, 27949785), (3, 9316595), (5, 5589957), (15, 1863319), (17, 1644105), (43, 649995), (51, 548035), (85, 328821), (129, 216665), (215, 129999), (255, 109607), (645, 43333), (731, 38235), (2193, 12745), (2549, 10965), (3655, 7647)]