18210825

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:85

約数の個数: 90

約数和(自身を含む): 37337454

約数和(自身を除く): 19126629

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 27, 45, 51, 69, 75, 81, 85, 115, 135, 153, 207, 225, 255, 345, 391, 405, 425, 459, 529, 575, 621, 675, 765, 1035, 1173, 1275, 1377, 1587, 1725, 1863, 1955, 2025, 2295, 2645, 3105, 3519, 3825, 4761, 5175, 5865, 6885, 7935, 8993, 9315, 9775, 10557, 11475, 13225, 14283, 15525, 17595, 23805, 26979, 29325, 31671, 34425, 39675, 42849, 44965, 46575, 52785, 71415, 80937, 87975, 119025, 134895, 158355, 214245, 224825, 242811, 263925, 357075, 404685, 674475, 728433, 791775, 1071225, 1214055, 2023425, 3642165, 6070275, 18210825]

約数ペア:

[(1, 18210825), (3, 6070275), (5, 3642165), (9, 2023425), (15, 1214055), (17, 1071225), (23, 791775), (25, 728433), (27, 674475), (45, 404685), (51, 357075), (69, 263925), (75, 242811), (81, 224825), (85, 214245), (115, 158355), (135, 134895), (153, 119025), (207, 87975), (225, 80937), (255, 71415), (345, 52785), (391, 46575), (405, 44965), (425, 42849), (459, 39675), (529, 34425), (575, 31671), (621, 29325), (675, 26979), (765, 23805), (1035, 17595), (1173, 15525), (1275, 14283), (1377, 13225), (1587, 11475), (1725, 10557), (1863, 9775), (1955, 9315), (2025, 8993), (2295, 7935), (2645, 6885), (3105, 5865), (3519, 5175), (3825, 4761)]