12181902021

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1\times {\mathrm{911}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 18247806720

約数和(自身を除く): 6065904699

約数列:

[1, 3, 9, 43, 109, 129, 317, 327, 387, 911, 951, 981, 2733, 2853, 4687, 8199, 13631, 14061, 34553, 39173, 40893, 42183, 99299, 103659, 117519, 122679, 288787, 297897, 310977, 352557, 866361, 893691, 1485779, 2599083, 4269857, 4457337, 12417841, 12809571, 13372011, 31477783, 37253523, 38428713, 94433349, 111760569, 283300047, 1353544669, 4060634007, 12181902021]

約数ペア:

[(1, 12181902021), (3, 4060634007), (9, 1353544669), (43, 283300047), (109, 111760569), (129, 94433349), (317, 38428713), (327, 37253523), (387, 31477783), (911, 13372011), (951, 12809571), (981, 12417841), (2733, 4457337), (2853, 4269857), (4687, 2599083), (8199, 1485779), (13631, 893691), (14061, 866361), (34553, 352557), (39173, 310977), (40893, 297897), (42183, 288787), (99299, 122679), (103659, 117519)]