12802257

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 36

約数和(自身を含む): 21125520

約数和(自身を除く): 8323263

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 443, 507, 741, 1329, 1521, 2223, 3211, 3987, 5759, 8417, 9633, 17277, 25251, 28899, 51831, 74867, 75753, 109421, 224601, 328263, 673803, 984789, 1422473, 4267419, 12802257]

約数ペア:

[(1, 12802257), (3, 4267419), (9, 1422473), (13, 984789), (19, 673803), (39, 328263), (57, 224601), (117, 109421), (169, 75753), (171, 74867), (247, 51831), (443, 28899), (507, 25251), (741, 17277), (1329, 9633), (1521, 8417), (2223, 5759), (3211, 3987)]