255210507

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:563

約数の個数: 56

約数和(自身を含む): 412996608

約数和(自身を除く): 157786101

約数列:

[1, 3, 9, 23, 27, 31, 69, 81, 93, 207, 243, 279, 491, 621, 713, 729, 837, 1473, 1863, 2139, 2511, 4419, 5589, 6417, 7533, 11293, 13257, 15221, 16767, 19251, 22599, 33879, 39771, 45663, 57753, 101637, 119313, 136989, 173259, 304911, 350083, 357939, 410967, 519777, 914733, 1050249, 1232901, 2744199, 3150747, 3698703, 8232597, 9452241, 11096109, 28356723, 85070169, 255210507]

約数ペア:

[(1, 255210507), (3, 85070169), (9, 28356723), (23, 11096109), (27, 9452241), (31, 8232597), (69, 3698703), (81, 3150747), (93, 2744199), (207, 1232901), (243, 1050249), (279, 914733), (491, 519777), (621, 410967), (713, 357939), (729, 350083), (837, 304911), (1473, 173259), (1863, 136989), (2139, 119313), (2511, 101637), (4419, 57753), (5589, 45663), (6417, 39771), (7533, 33879), (11293, 22599), (13257, 19251), (15221, 16767)]