1223388621

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1493759}}^1$

素因数の和:1493785

約数の個数: 24

約数和(自身を含む): 2174914560

約数和(自身を除く): 951525939

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1493759, 4481277, 10456313, 13443831, 19418867, 31368939, 58256601, 94106817, 135932069, 174769803, 407796207, 1223388621]

約数ペア:

[(1, 1223388621), (3, 407796207), (7, 174769803), (9, 135932069), (13, 94106817), (21, 58256601), (39, 31368939), (63, 19418867), (91, 13443831), (117, 10456313), (273, 4481277), (819, 1493759)]