388231011

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1451}}^1$

素因数の和:1632

約数の個数: 48

約数和(自身を含む): 666851328

約数和(自身を除く): 278620317

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 137, 217, 279, 411, 651, 959, 1233, 1451, 1953, 2877, 4247, 4353, 8631, 10157, 12741, 13059, 29729, 30471, 38223, 44981, 89187, 91413, 134943, 198787, 267561, 314867, 404829, 596361, 944601, 1391509, 1789083, 2833803, 4174527, 6162397, 12523581, 18487191, 43136779, 55461573, 129410337, 388231011]

約数ペア:

[(1, 388231011), (3, 129410337), (7, 55461573), (9, 43136779), (21, 18487191), (31, 12523581), (63, 6162397), (93, 4174527), (137, 2833803), (217, 1789083), (279, 1391509), (411, 944601), (651, 596361), (959, 404829), (1233, 314867), (1451, 267561), (1953, 198787), (2877, 134943), (4247, 91413), (4353, 89187), (8631, 44981), (10157, 38223), (12741, 30471), (13059, 29729)]