213882981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9311}}^1$

素因数の和:9377

約数の個数: 32

約数和(自身を含む): 333742080

約数和(自身を除く): 119859099

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 1209, 1767, 7657, 9311, 22971, 27933, 121043, 176909, 288641, 363129, 530727, 865923, 2299817, 3752333, 5484179, 6899451, 11256999, 16452537, 71294327, 213882981]

約数ペア:

[(1, 213882981), (3, 71294327), (13, 16452537), (19, 11256999), (31, 6899451), (39, 5484179), (57, 3752333), (93, 2299817), (247, 865923), (403, 530727), (589, 363129), (741, 288641), (1209, 176909), (1767, 121043), (7657, 27933), (9311, 22971)]