247029111

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{126487}}^1$

素因数の和:126531

約数の個数: 24

約数和(自身を含む): 420952064

約数和(自身を除く): 173922953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 126487, 379461, 885409, 1138383, 2656227, 3921097, 7968681, 11763291, 27447679, 35289873, 82343037, 247029111]

約数ペア:

[(1, 247029111), (3, 82343037), (7, 35289873), (9, 27447679), (21, 11763291), (31, 7968681), (63, 3921097), (93, 2656227), (217, 1138383), (279, 885409), (651, 379461), (1953, 126487)]