727165089

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{678959}}^1$

素因数の和:678989

約数の個数: 24

約数和(自身を含む): 1271013120

約数和(自身を除く): 543848031

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 678959, 2036877, 4752713, 6110631, 11542303, 14258139, 34626909, 42774417, 80796121, 103880727, 242388363, 727165089]

約数ペア:

[(1, 727165089), (3, 242388363), (7, 103880727), (9, 80796121), (17, 42774417), (21, 34626909), (51, 14258139), (63, 11542303), (119, 6110631), (153, 4752713), (357, 2036877), (1071, 678959)]