217837983

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 358318080

約数和(自身を除く): 140480097

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 107, 187, 191, 209, 321, 323, 561, 573, 627, 969, 1177, 1819, 2033, 2101, 3247, 3531, 3553, 3629, 5457, 6099, 6303, 9741, 10659, 10887, 20009, 20437, 22363, 34561, 35717, 39919, 60027, 61311, 61693, 67089, 103683, 107151, 119757, 185079, 224807, 347429, 380171, 388303, 674421, 678623, 1042287, 1140513, 1164909, 2035869, 3821719, 4271333, 6601151, 11465157, 12813999, 19803453, 72612661, 217837983]

約数ペア:

[(1, 217837983), (3, 72612661), (11, 19803453), (17, 12813999), (19, 11465157), (33, 6601151), (51, 4271333), (57, 3821719), (107, 2035869), (187, 1164909), (191, 1140513), (209, 1042287), (321, 678623), (323, 674421), (561, 388303), (573, 380171), (627, 347429), (969, 224807), (1177, 185079), (1819, 119757), (2033, 107151), (2101, 103683), (3247, 67089), (3531, 61693), (3553, 61311), (3629, 60027), (5457, 39919), (6099, 35717), (6303, 34561), (9741, 22363), (10659, 20437), (10887, 20009)]