651321

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:83

約数の個数: 40

約数和(自身を含む): 1149984

約数和(自身を除く): 498663

約数列:

[1, 3, 9, 11, 17, 27, 33, 43, 51, 81, 99, 129, 153, 187, 297, 387, 459, 473, 561, 731, 891, 1161, 1377, 1419, 1683, 2193, 3483, 4257, 5049, 6579, 8041, 12771, 15147, 19737, 24123, 38313, 59211, 72369, 217107, 651321]

約数ペア:

[(1, 651321), (3, 217107), (9, 72369), (11, 59211), (17, 38313), (27, 24123), (33, 19737), (43, 15147), (51, 12771), (81, 8041), (99, 6579), (129, 5049), (153, 4257), (187, 3483), (297, 2193), (387, 1683), (459, 1419), (473, 1377), (561, 1161), (731, 891)]