621027

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 40

約数和(自身を含む): 1097712

約数和(自身を除く): 476685

約数列:

[1, 3, 9, 11, 17, 27, 33, 41, 51, 81, 99, 123, 153, 187, 297, 369, 451, 459, 561, 697, 891, 1107, 1353, 1377, 1683, 2091, 3321, 4059, 5049, 6273, 7667, 12177, 15147, 18819, 23001, 36531, 56457, 69003, 207009, 621027]

約数ペア:

[(1, 621027), (3, 207009), (9, 69003), (11, 56457), (17, 36531), (27, 23001), (33, 18819), (41, 15147), (51, 12177), (81, 7667), (99, 6273), (123, 5049), (153, 4059), (187, 3321), (297, 2091), (369, 1683), (451, 1377), (459, 1353), (561, 1107), (697, 891)]