1680357

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 32

約数和(自身を含む): 2764800

約数和(自身を除く): 1084443

約数列:

[1, 3, 7, 21, 23, 49, 69, 71, 147, 161, 213, 343, 483, 497, 1029, 1127, 1491, 1633, 3381, 3479, 4899, 7889, 10437, 11431, 23667, 24353, 34293, 73059, 80017, 240051, 560119, 1680357]

約数ペア:

[(1, 1680357), (3, 560119), (7, 240051), (21, 80017), (23, 73059), (49, 34293), (69, 24353), (71, 23667), (147, 11431), (161, 10437), (213, 7889), (343, 4899), (483, 3479), (497, 3381), (1029, 1633), (1127, 1491)]