1286775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 2837120

約数和(自身を除く): 1550345

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 43, 45, 57, 63, 75, 95, 105, 129, 133, 171, 175, 215, 225, 285, 301, 315, 387, 399, 475, 525, 645, 665, 817, 855, 903, 1075, 1197, 1425, 1505, 1575, 1935, 1995, 2451, 2709, 3225, 3325, 4085, 4275, 4515, 5719, 5985, 7353, 7525, 9675, 9975, 12255, 13545, 17157, 20425, 22575, 28595, 29925, 36765, 51471, 61275, 67725, 85785, 142975, 183825, 257355, 428925, 1286775]

約数ペア:

[(1, 1286775), (3, 428925), (5, 257355), (7, 183825), (9, 142975), (15, 85785), (19, 67725), (21, 61275), (25, 51471), (35, 36765), (43, 29925), (45, 28595), (57, 22575), (63, 20425), (75, 17157), (95, 13545), (105, 12255), (129, 9975), (133, 9675), (171, 7525), (175, 7353), (215, 5985), (225, 5719), (285, 4515), (301, 4275), (315, 4085), (387, 3325), (399, 3225), (475, 2709), (525, 2451), (645, 1995), (665, 1935), (817, 1575), (855, 1505), (903, 1425), (1075, 1197)]