204636789

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{16001}}^1$

素因数の和:16050

約数の個数: 36

約数和(自身を含む): 355724460

約数和(自身を除く): 151087671

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 4263, 12789, 16001, 48003, 112007, 144009, 336021, 464029, 784049, 1008063, 1392087, 2352147, 3248203, 4176261, 7056441, 9744609, 22737421, 29233827, 68212263, 204636789]

約数ペア:

[(1, 204636789), (3, 68212263), (7, 29233827), (9, 22737421), (21, 9744609), (29, 7056441), (49, 4176261), (63, 3248203), (87, 2352147), (147, 1392087), (203, 1008063), (261, 784049), (441, 464029), (609, 336021), (1421, 144009), (1827, 112007), (4263, 48003), (12789, 16001)]