68984217

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{16069}}^1$

素因数の和:16134

約数の個数: 20

約数和(自身を含む): 105001380

約数和(自身を除く): 36017163

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 16069, 48207, 144621, 433863, 851657, 1301589, 2554971, 7664913, 22994739, 68984217]

約数ペア:

[(1, 68984217), (3, 22994739), (9, 7664913), (27, 2554971), (53, 1301589), (81, 851657), (159, 433863), (477, 144621), (1431, 48207), (4293, 16069)]