1278919761

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{10987}}^1$

素因数の和:11261

約数の個数: 32

約数和(自身を含む): 2042185728

約数和(自身を除く): 763265967

約数列:

[1, 3, 7, 21, 23, 69, 161, 241, 483, 723, 1687, 5061, 5543, 10987, 16629, 32961, 38801, 76909, 116403, 230727, 252701, 758103, 1768907, 2647867, 5306721, 7943601, 18535069, 55605207, 60900941, 182702823, 426306587, 1278919761]

約数ペア:

[(1, 1278919761), (3, 426306587), (7, 182702823), (21, 60900941), (23, 55605207), (69, 18535069), (161, 7943601), (241, 5306721), (483, 2647867), (723, 1768907), (1687, 758103), (5061, 252701), (5543, 230727), (10987, 116403), (16629, 76909), (32961, 38801)]