205103691

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 356227200

約数和(自身を除く): 151123509

約数列:

[1, 3, 9, 13, 17, 27, 37, 39, 51, 111, 117, 153, 221, 333, 351, 459, 481, 629, 663, 929, 999, 1443, 1887, 1989, 2787, 4329, 5661, 5967, 8177, 8361, 12077, 12987, 15793, 16983, 24531, 25083, 34373, 36231, 47379, 73593, 103119, 108693, 142137, 205309, 220779, 309357, 326079, 426411, 446849, 584341, 615927, 928071, 1340547, 1753023, 1847781, 4021641, 5259069, 5543343, 7596433, 12064923, 15777207, 22789299, 68367897, 205103691]

約数ペア:

[(1, 205103691), (3, 68367897), (9, 22789299), (13, 15777207), (17, 12064923), (27, 7596433), (37, 5543343), (39, 5259069), (51, 4021641), (111, 1847781), (117, 1753023), (153, 1340547), (221, 928071), (333, 615927), (351, 584341), (459, 446849), (481, 426411), (629, 326079), (663, 309357), (929, 220779), (999, 205309), (1443, 142137), (1887, 108693), (1989, 103119), (2787, 73593), (4329, 47379), (5661, 36231), (5967, 34373), (8177, 25083), (8361, 24531), (12077, 16983), (12987, 15793)]