1305477

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:310

約数の個数: 20

約数和(自身を含む): 1986336

約数和(自身を除く): 680859

約数列:

[1, 3, 9, 27, 71, 81, 213, 227, 639, 681, 1917, 2043, 5751, 6129, 16117, 18387, 48351, 145053, 435159, 1305477]

約数ペア:

[(1, 1305477), (3, 435159), (9, 145053), (27, 48351), (71, 18387), (81, 16117), (213, 6129), (227, 5751), (639, 2043), (681, 1917)]