420628479

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1327}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 606842880

約数和(自身を除く): 186214401

約数列:

[1, 3, 19, 57, 67, 83, 201, 249, 1273, 1327, 1577, 3819, 3981, 4731, 5561, 16683, 25213, 75639, 88909, 105659, 110141, 266727, 316977, 330423, 1689271, 2092679, 5067813, 6278037, 7379447, 22138341, 140209493, 420628479]

約数ペア:

[(1, 420628479), (3, 140209493), (19, 22138341), (57, 7379447), (67, 6278037), (83, 5067813), (201, 2092679), (249, 1689271), (1273, 330423), (1327, 316977), (1577, 266727), (3819, 110141), (3981, 105659), (4731, 88909), (5561, 75639), (16683, 25213)]