551475

素因数分解:

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

素因数の和:81

約数の個数: 48

約数和(自身を含む): 1091200

約数和(自身を除く): 539725

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 43, 45, 57, 75, 95, 129, 135, 171, 215, 225, 285, 387, 475, 513, 645, 675, 817, 855, 1075, 1161, 1425, 1935, 2451, 2565, 3225, 4085, 4275, 5805, 7353, 9675, 12255, 12825, 20425, 22059, 29025, 36765, 61275, 110295, 183825, 551475]

約数ペア:

[(1, 551475), (3, 183825), (5, 110295), (9, 61275), (15, 36765), (19, 29025), (25, 22059), (27, 20425), (43, 12825), (45, 12255), (57, 9675), (75, 7353), (95, 5805), (129, 4275), (135, 4085), (171, 3225), (215, 2565), (225, 2451), (285, 1935), (387, 1425), (475, 1161), (513, 1075), (645, 855), (675, 817)]