205979085

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 396802560

約数和(自身を除く): 190823475

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 241, 351, 487, 585, 723, 1205, 1461, 1755, 2169, 2435, 3133, 3615, 4383, 6331, 6507, 7305, 9399, 10845, 13149, 15665, 18993, 21915, 28197, 31655, 32535, 46995, 56979, 65745, 84591, 94965, 117367, 140985, 170937, 284895, 352101, 422955, 586835, 854685, 1056303, 1525771, 1760505, 3168909, 4577313, 5281515, 7628855, 13731939, 15844545, 22886565, 41195817, 68659695, 205979085]

約数ペア:

[(1, 205979085), (3, 68659695), (5, 41195817), (9, 22886565), (13, 15844545), (15, 13731939), (27, 7628855), (39, 5281515), (45, 4577313), (65, 3168909), (117, 1760505), (135, 1525771), (195, 1056303), (241, 854685), (351, 586835), (487, 422955), (585, 352101), (723, 284895), (1205, 170937), (1461, 140985), (1755, 117367), (2169, 94965), (2435, 84591), (3133, 65745), (3615, 56979), (4383, 46995), (6331, 32535), (6507, 31655), (7305, 28197), (9399, 21915), (10845, 18993), (13149, 15665)]