64080963

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{5039}}^1$

素因数の和:5208

約数の個数: 20

約数和(自身を含む): 96354720

約数和(自身を除く): 32273757

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 5039, 12717, 15117, 45351, 136053, 408159, 791123, 2373369, 7120107, 21360321, 64080963]

約数ペア:

[(1, 64080963), (3, 21360321), (9, 7120107), (27, 2373369), (81, 791123), (157, 408159), (471, 136053), (1413, 45351), (4239, 15117), (5039, 12717)]