17256771

素因数分解:

$3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 29343600

約数和(自身を除く): 12086829

約数列:

[1, 3, 7, 9, 21, 49, 63, 109, 147, 327, 359, 441, 763, 981, 1077, 2289, 2513, 3231, 5341, 6867, 7539, 16023, 17591, 22617, 39131, 48069, 52773, 117393, 158319, 273917, 352179, 821751, 1917419, 2465253, 5752257, 17256771]

約数ペア:

[(1, 17256771), (3, 5752257), (7, 2465253), (9, 1917419), (21, 821751), (49, 352179), (63, 273917), (109, 158319), (147, 117393), (327, 52773), (359, 48069), (441, 39131), (763, 22617), (981, 17591), (1077, 16023), (2289, 7539), (2513, 6867), (3231, 5341)]