65397981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2819}}^1$

素因数の和:2889

約数の個数: 32

約数和(自身を含む): 102873600

約数和(自身を除く): 37475619

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 1221, 2109, 2819, 7733, 8457, 23199, 31009, 53561, 93027, 104303, 160683, 312909, 589171, 1147333, 1767513, 1981757, 3441999, 5945271, 21799327, 65397981]

約数ペア:

[(1, 65397981), (3, 21799327), (11, 5945271), (19, 3441999), (33, 1981757), (37, 1767513), (57, 1147333), (111, 589171), (209, 312909), (407, 160683), (627, 104303), (703, 93027), (1221, 53561), (2109, 31009), (2819, 23199), (7733, 8457)]