72505017

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 127008000

約数和(自身を除く): 54502983

約数列:

[1, 3, 9, 13, 17, 27, 29, 39, 51, 87, 117, 153, 221, 261, 351, 377, 419, 459, 493, 663, 783, 1131, 1257, 1479, 1989, 3393, 3771, 4437, 5447, 5967, 6409, 7123, 10179, 11313, 12151, 13311, 16341, 19227, 21369, 36453, 49023, 57681, 64107, 92599, 109359, 147069, 157963, 173043, 192321, 206567, 277797, 328077, 473889, 619701, 833391, 1421667, 1859103, 2500173, 2685371, 4265001, 5577309, 8056113, 24168339, 72505017]

約数ペア:

[(1, 72505017), (3, 24168339), (9, 8056113), (13, 5577309), (17, 4265001), (27, 2685371), (29, 2500173), (39, 1859103), (51, 1421667), (87, 833391), (117, 619701), (153, 473889), (221, 328077), (261, 277797), (351, 206567), (377, 192321), (419, 173043), (459, 157963), (493, 147069), (663, 109359), (783, 92599), (1131, 64107), (1257, 57681), (1479, 49023), (1989, 36453), (3393, 21369), (3771, 19227), (4437, 16341), (5447, 13311), (5967, 12151), (6409, 11313), (7123, 10179)]