660825789

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1\times {\mathrm{569}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 963473280

約数和(自身を除く): 302647491

約数列:

[1, 3, 13, 39, 97, 291, 307, 569, 921, 1261, 1707, 3783, 3991, 7397, 11973, 22191, 29779, 55193, 89337, 165579, 174683, 387127, 524049, 717509, 1161381, 2152527, 2270879, 6812637, 16944251, 50832753, 220275263, 660825789]

約数ペア:

[(1, 660825789), (3, 220275263), (13, 50832753), (39, 16944251), (97, 6812637), (291, 2270879), (307, 2152527), (569, 1161381), (921, 717509), (1261, 524049), (1707, 387127), (3783, 174683), (3991, 165579), (7397, 89337), (11973, 55193), (22191, 29779)]