202911681

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 335978496

約数和(自身を除く): 133066815

約数列:

[1, 3, 7, 21, 23, 61, 69, 71, 97, 161, 183, 213, 291, 427, 483, 497, 679, 1281, 1403, 1491, 1633, 2037, 2231, 4209, 4331, 4899, 5917, 6693, 6887, 9821, 11431, 12993, 15617, 17751, 20661, 29463, 30317, 34293, 41419, 46851, 48209, 90951, 99613, 124257, 136091, 144627, 158401, 298839, 408273, 420107, 475203, 697291, 952637, 1108807, 1260321, 2091873, 2857911, 2940749, 3326421, 8822247, 9662461, 28987383, 67637227, 202911681]

約数ペア:

[(1, 202911681), (3, 67637227), (7, 28987383), (21, 9662461), (23, 8822247), (61, 3326421), (69, 2940749), (71, 2857911), (97, 2091873), (161, 1260321), (183, 1108807), (213, 952637), (291, 697291), (427, 475203), (483, 420107), (497, 408273), (679, 298839), (1281, 158401), (1403, 144627), (1491, 136091), (1633, 124257), (2037, 99613), (2231, 90951), (4209, 48209), (4331, 46851), (4899, 41419), (5917, 34293), (6693, 30317), (6887, 29463), (9821, 20661), (11431, 17751), (12993, 15617)]