205937523

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 354790800

約数和(自身を除く): 148853277

約数列:

[1, 3, 9, 11, 19, 33, 37, 57, 99, 111, 121, 171, 209, 269, 333, 363, 407, 627, 703, 807, 1089, 1221, 1881, 2109, 2299, 2421, 2959, 3663, 4477, 5111, 6327, 6897, 7733, 8877, 9953, 13431, 15333, 20691, 23199, 26631, 29859, 32549, 40293, 45999, 56221, 69597, 85063, 89577, 97647, 109483, 168663, 189107, 255189, 292941, 328449, 505989, 567321, 618431, 765567, 985347, 1204313, 1701963, 1855293, 2080177, 3612939, 5565879, 6240531, 10838817, 18721593, 22881947, 68645841, 205937523]

約数ペア:

[(1, 205937523), (3, 68645841), (9, 22881947), (11, 18721593), (19, 10838817), (33, 6240531), (37, 5565879), (57, 3612939), (99, 2080177), (111, 1855293), (121, 1701963), (171, 1204313), (209, 985347), (269, 765567), (333, 618431), (363, 567321), (407, 505989), (627, 328449), (703, 292941), (807, 255189), (1089, 189107), (1221, 168663), (1881, 109483), (2109, 97647), (2299, 89577), (2421, 85063), (2959, 69597), (3663, 56221), (4477, 45999), (5111, 40293), (6327, 32549), (6897, 29859), (7733, 26631), (8877, 23199), (9953, 20691), (13431, 15333)]