639664083

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{953}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 1012598496

約数和(自身を除く): 372934413

約数列:

[1, 3, 9, 17, 41, 51, 107, 123, 153, 321, 369, 697, 953, 963, 1819, 2091, 2859, 4387, 5457, 6273, 8577, 13161, 16201, 16371, 39073, 39483, 48603, 74579, 101971, 117219, 145809, 223737, 305913, 351657, 664241, 671211, 917739, 1733507, 1992723, 4180811, 5200521, 5978169, 12542433, 15601563, 37627299, 71073787, 213221361, 639664083]

約数ペア:

[(1, 639664083), (3, 213221361), (9, 71073787), (17, 37627299), (41, 15601563), (51, 12542433), (107, 5978169), (123, 5200521), (153, 4180811), (321, 1992723), (369, 1733507), (697, 917739), (953, 671211), (963, 664241), (1819, 351657), (2091, 305913), (2859, 223737), (4387, 145809), (5457, 117219), (6273, 101971), (8577, 74579), (13161, 48603), (16201, 39483), (16371, 39073)]