247372281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{283}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 400271872

約数和(自身を除く): 152899591

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 241, 279, 283, 403, 723, 849, 1209, 2169, 2547, 3133, 3627, 3679, 7471, 8773, 9399, 11037, 22413, 26319, 28197, 33111, 67239, 68203, 78957, 97123, 114049, 204609, 291369, 342147, 613827, 874107, 886639, 1026441, 2114293, 2659917, 6342879, 7979751, 19028637, 27485809, 82457427, 247372281]

約数ペア:

[(1, 247372281), (3, 82457427), (9, 27485809), (13, 19028637), (31, 7979751), (39, 6342879), (93, 2659917), (117, 2114293), (241, 1026441), (279, 886639), (283, 874107), (403, 613827), (723, 342147), (849, 291369), (1209, 204609), (2169, 114049), (2547, 97123), (3133, 78957), (3627, 68203), (3679, 67239), (7471, 33111), (8773, 28197), (9399, 26319), (11037, 22413)]