209213355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 375072768

約数和(自身を除く): 165859413

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 107, 111, 185, 195, 271, 321, 481, 535, 555, 813, 1355, 1391, 1443, 1605, 2405, 3523, 3959, 4065, 4173, 6955, 7215, 10027, 10569, 11877, 17615, 19795, 20865, 28997, 30081, 50135, 51467, 52845, 59385, 86991, 130351, 144985, 150405, 154401, 257335, 376961, 391053, 434955, 651755, 772005, 1072889, 1130883, 1884805, 1955265, 3218667, 5364445, 5654415, 13947557, 16093335, 41842671, 69737785, 209213355]

約数ペア:

[(1, 209213355), (3, 69737785), (5, 41842671), (13, 16093335), (15, 13947557), (37, 5654415), (39, 5364445), (65, 3218667), (107, 1955265), (111, 1884805), (185, 1130883), (195, 1072889), (271, 772005), (321, 651755), (481, 434955), (535, 391053), (555, 376961), (813, 257335), (1355, 154401), (1391, 150405), (1443, 144985), (1605, 130351), (2405, 86991), (3523, 59385), (3959, 52845), (4065, 51467), (4173, 50135), (6955, 30081), (7215, 28997), (10027, 20865), (10569, 19795), (11877, 17615)]