81645421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 99136224

約数和(自身を除く): 17490803

約数列:

[1, 11, 13, 37, 143, 169, 407, 481, 1187, 1859, 5291, 6253, 13057, 15431, 43919, 68783, 169741, 200603, 483109, 570947, 2206633, 6280417, 7422311, 81645421]

約数ペア:

[(1, 81645421), (11, 7422311), (13, 6280417), (37, 2206633), (143, 570947), (169, 483109), (407, 200603), (481, 169741), (1187, 68783), (1859, 43919), (5291, 15431), (6253, 13057)]