204489159

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 338411520

約数和(自身を除く): 133922361

約数列:

[1, 3, 7, 21, 23, 67, 69, 71, 89, 161, 201, 213, 267, 469, 483, 497, 623, 1407, 1491, 1541, 1633, 1869, 2047, 4623, 4757, 4899, 5963, 6141, 6319, 10787, 11431, 14271, 14329, 17889, 18957, 32361, 33299, 34293, 41741, 42987, 44233, 99897, 109411, 125223, 132699, 137149, 145337, 328233, 411447, 423373, 436011, 765877, 960043, 1017359, 1270119, 2297631, 2880129, 2963611, 3052077, 8890833, 9737579, 29212737, 68163053, 204489159]

約数ペア:

[(1, 204489159), (3, 68163053), (7, 29212737), (21, 9737579), (23, 8890833), (67, 3052077), (69, 2963611), (71, 2880129), (89, 2297631), (161, 1270119), (201, 1017359), (213, 960043), (267, 765877), (469, 436011), (483, 423373), (497, 411447), (623, 328233), (1407, 145337), (1491, 137149), (1541, 132699), (1633, 125223), (1869, 109411), (2047, 99897), (4623, 44233), (4757, 42987), (4899, 41741), (5963, 34293), (6141, 33299), (6319, 32361), (10787, 18957), (11431, 17889), (14271, 14329)]