201680721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{3851}}^1$

素因数の和:3914

約数の個数: 36

約数和(自身を含む): 332304336

約数和(自身を除く): 130623615

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 529, 759, 1587, 2277, 3851, 4761, 5819, 11553, 17457, 34659, 42361, 52371, 88573, 127083, 265719, 381249, 797157, 974303, 2037179, 2922909, 6111537, 8768727, 18334611, 22408969, 67226907, 201680721]

約数ペア:

[(1, 201680721), (3, 67226907), (9, 22408969), (11, 18334611), (23, 8768727), (33, 6111537), (69, 2922909), (99, 2037179), (207, 974303), (253, 797157), (529, 381249), (759, 265719), (1587, 127083), (2277, 88573), (3851, 52371), (4761, 42361), (5819, 34659), (11553, 17457)]