638866035

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{92791}}^1$

素因数の和:92825

約数の個数: 40

約数和(自身を含む): 1212605856

約数和(自身を除く): 573739821

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 92791, 278373, 463955, 835119, 1391865, 1577447, 2505357, 4175595, 4732341, 7516071, 7887235, 12526785, 14197023, 23661705, 37580355, 42591069, 70985115, 127773207, 212955345, 638866035]

約数ペア:

[(1, 638866035), (3, 212955345), (5, 127773207), (9, 70985115), (15, 42591069), (17, 37580355), (27, 23661705), (45, 14197023), (51, 12526785), (81, 7887235), (85, 7516071), (135, 4732341), (153, 4175595), (255, 2505357), (405, 1577447), (459, 1391865), (765, 835119), (1377, 463955), (2295, 278373), (6885, 92791)]