961796781

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{593}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 1605795840

約数和(自身を除く): 643999059

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 127, 129, 297, 381, 387, 473, 593, 1143, 1161, 1397, 1419, 1779, 3429, 4191, 4257, 5337, 5461, 6523, 12573, 12771, 16011, 16383, 19569, 25499, 37719, 49149, 58707, 60071, 75311, 76497, 147447, 176121, 180213, 225933, 229491, 280489, 540639, 677799, 688473, 828421, 841467, 1621917, 2033397, 2485263, 2524401, 3238373, 7455789, 7573203, 9715119, 22367367, 29145357, 35622103, 87436071, 106866309, 320598927, 961796781]

約数ペア:

[(1, 961796781), (3, 320598927), (9, 106866309), (11, 87436071), (27, 35622103), (33, 29145357), (43, 22367367), (99, 9715119), (127, 7573203), (129, 7455789), (297, 3238373), (381, 2524401), (387, 2485263), (473, 2033397), (593, 1621917), (1143, 841467), (1161, 828421), (1397, 688473), (1419, 677799), (1779, 540639), (3429, 280489), (4191, 229491), (4257, 225933), (5337, 180213), (5461, 176121), (6523, 147447), (12573, 76497), (12771, 75311), (16011, 60071), (16383, 58707), (19569, 49149), (25499, 37719)]