208598775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:953

約数の個数: 96

約数和(自身を含む): 440971776

約数和(自身を除く): 232373001

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 41, 55, 75, 77, 105, 123, 165, 175, 205, 231, 275, 287, 385, 451, 525, 615, 825, 861, 881, 1025, 1155, 1353, 1435, 1925, 2255, 2643, 3075, 3157, 4305, 4405, 5775, 6167, 6765, 7175, 9471, 9691, 11275, 13215, 15785, 18501, 21525, 22025, 29073, 30835, 33825, 36121, 47355, 48455, 66075, 67837, 78925, 92505, 108363, 145365, 154175, 180605, 203511, 236775, 242275, 252847, 339185, 397331, 462525, 541815, 726825, 758541, 903025, 1017555, 1191993, 1264235, 1695925, 1986655, 2709075, 2781317, 3792705, 5087775, 5959965, 6321175, 8343951, 9933275, 13906585, 18963525, 29799825, 41719755, 69532925, 208598775]

約数ペア:

[(1, 208598775), (3, 69532925), (5, 41719755), (7, 29799825), (11, 18963525), (15, 13906585), (21, 9933275), (25, 8343951), (33, 6321175), (35, 5959965), (41, 5087775), (55, 3792705), (75, 2781317), (77, 2709075), (105, 1986655), (123, 1695925), (165, 1264235), (175, 1191993), (205, 1017555), (231, 903025), (275, 758541), (287, 726825), (385, 541815), (451, 462525), (525, 397331), (615, 339185), (825, 252847), (861, 242275), (881, 236775), (1025, 203511), (1155, 180605), (1353, 154175), (1435, 145365), (1925, 108363), (2255, 92505), (2643, 78925), (3075, 67837), (3157, 66075), (4305, 48455), (4405, 47355), (5775, 36121), (6167, 33825), (6765, 30835), (7175, 29073), (9471, 22025), (9691, 21525), (11275, 18501), (13215, 15785)]