201565515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 358162560

約数和(自身を除く): 156597045

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 97, 145, 255, 281, 291, 435, 485, 493, 843, 1405, 1455, 1479, 1649, 2465, 2813, 4215, 4777, 4947, 7395, 8149, 8245, 8439, 14065, 14331, 23885, 24447, 24735, 27257, 40745, 42195, 47821, 71655, 81771, 122235, 136285, 138533, 143463, 239105, 408855, 415599, 463369, 692665, 717315, 790453, 1390107, 2077995, 2316845, 2371359, 3952265, 6950535, 11856795, 13437701, 40313103, 67188505, 201565515]

約数ペア:

[(1, 201565515), (3, 67188505), (5, 40313103), (15, 13437701), (17, 11856795), (29, 6950535), (51, 3952265), (85, 2371359), (87, 2316845), (97, 2077995), (145, 1390107), (255, 790453), (281, 717315), (291, 692665), (435, 463369), (485, 415599), (493, 408855), (843, 239105), (1405, 143463), (1455, 138533), (1479, 136285), (1649, 122235), (2465, 81771), (2813, 71655), (4215, 47821), (4777, 42195), (4947, 40745), (7395, 27257), (8149, 24735), (8245, 24447), (8439, 23885), (14065, 14331)]