204906141

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 336960000

約数和(自身を除く): 132053859

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 149, 261, 319, 447, 479, 957, 1341, 1437, 1639, 2871, 4311, 4321, 4917, 5269, 12963, 13891, 14751, 15807, 38889, 41673, 47421, 47531, 71371, 125019, 142593, 152801, 214113, 427779, 458403, 642339, 785081, 1375209, 2069759, 2355243, 6209277, 7065729, 18627831, 22767349, 68302047, 204906141]

約数ペア:

[(1, 204906141), (3, 68302047), (9, 22767349), (11, 18627831), (29, 7065729), (33, 6209277), (87, 2355243), (99, 2069759), (149, 1375209), (261, 785081), (319, 642339), (447, 458403), (479, 427779), (957, 214113), (1341, 152801), (1437, 142593), (1639, 125019), (2871, 71371), (4311, 47531), (4321, 47421), (4917, 41673), (5269, 38889), (12963, 15807), (13891, 14751)]