65861991

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{20849}}^1$

素因数の和:20877

約数の個数: 24

約数和(自身を含む): 106251600

約数和(自身を除く): 40389609

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 20849, 62547, 187641, 271037, 562923, 813111, 1688769, 2439333, 5066307, 7317999, 21953997, 65861991]

約数ペア:

[(1, 65861991), (3, 21953997), (9, 7317999), (13, 5066307), (27, 2439333), (39, 1688769), (81, 813111), (117, 562923), (243, 271037), (351, 187641), (1053, 62547), (3159, 20849)]