1557704475

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{907}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 2963984400

約数和(自身を除く): 1406279925

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 449, 765, 907, 1275, 1347, 2245, 2721, 3825, 4041, 4535, 6735, 7633, 8163, 11225, 13605, 15419, 20205, 22675, 22899, 33675, 38165, 40815, 46257, 68025, 68697, 77095, 101025, 114495, 138771, 190825, 204075, 231285, 343485, 385475, 407243, 572475, 693855, 1156425, 1221729, 1717425, 2036215, 3469275, 3665187, 6108645, 6923131, 10181075, 18325935, 20769393, 30543225, 34615655, 62308179, 91629675, 103846965, 173078275, 311540895, 519234825, 1557704475]

約数ペア:

[(1, 1557704475), (3, 519234825), (5, 311540895), (9, 173078275), (15, 103846965), (17, 91629675), (25, 62308179), (45, 34615655), (51, 30543225), (75, 20769393), (85, 18325935), (153, 10181075), (225, 6923131), (255, 6108645), (425, 3665187), (449, 3469275), (765, 2036215), (907, 1717425), (1275, 1221729), (1347, 1156425), (2245, 693855), (2721, 572475), (3825, 407243), (4041, 385475), (4535, 343485), (6735, 231285), (7633, 204075), (8163, 190825), (11225, 138771), (13605, 114495), (15419, 101025), (20205, 77095), (22675, 68697), (22899, 68025), (33675, 46257), (38165, 40815)]