2389725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 4964960

約数和(自身を除く): 2575235

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 43, 45, 57, 65, 75, 95, 117, 129, 171, 195, 215, 225, 247, 285, 325, 387, 475, 559, 585, 645, 741, 817, 855, 975, 1075, 1235, 1425, 1677, 1935, 2223, 2451, 2795, 2925, 3225, 3705, 4085, 4275, 5031, 6175, 7353, 8385, 9675, 10621, 11115, 12255, 13975, 18525, 20425, 25155, 31863, 36765, 41925, 53105, 55575, 61275, 95589, 125775, 159315, 183825, 265525, 477945, 796575, 2389725]

約数ペア:

[(1, 2389725), (3, 796575), (5, 477945), (9, 265525), (13, 183825), (15, 159315), (19, 125775), (25, 95589), (39, 61275), (43, 55575), (45, 53105), (57, 41925), (65, 36765), (75, 31863), (95, 25155), (117, 20425), (129, 18525), (171, 13975), (195, 12255), (215, 11115), (225, 10621), (247, 9675), (285, 8385), (325, 7353), (387, 6175), (475, 5031), (559, 4275), (585, 4085), (645, 3705), (741, 3225), (817, 2925), (855, 2795), (975, 2451), (1075, 2223), (1235, 1935), (1425, 1677)]