25818903

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 46584720

約数和(自身を除く): 20765817

約数列:

[1, 3, 9, 11, 17, 23, 29, 33, 51, 69, 87, 99, 153, 187, 207, 253, 261, 319, 391, 493, 529, 561, 667, 759, 957, 1173, 1479, 1587, 1683, 2001, 2277, 2871, 3519, 4301, 4437, 4761, 5423, 5819, 6003, 7337, 8993, 11339, 12903, 15341, 16269, 17457, 22011, 26979, 34017, 38709, 46023, 48807, 52371, 66033, 80937, 98923, 102051, 124729, 138069, 168751, 260797, 296769, 374187, 506253, 782391, 890307, 1122561, 1518759, 2347173, 2868767, 8606301, 25818903]

約数ペア:

[(1, 25818903), (3, 8606301), (9, 2868767), (11, 2347173), (17, 1518759), (23, 1122561), (29, 890307), (33, 782391), (51, 506253), (69, 374187), (87, 296769), (99, 260797), (153, 168751), (187, 138069), (207, 124729), (253, 102051), (261, 98923), (319, 80937), (391, 66033), (493, 52371), (529, 48807), (561, 46023), (667, 38709), (759, 34017), (957, 26979), (1173, 22011), (1479, 17457), (1587, 16269), (1683, 15341), (2001, 12903), (2277, 11339), (2871, 8993), (3519, 7337), (4301, 6003), (4437, 5819), (4761, 5423)]