40816269

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20521}}^1$

素因数の和:20557

約数の個数: 24

約数和(自身を含む): 67230072

約数和(自身を除く): 26413803

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 20521, 61563, 184689, 266773, 348857, 800319, 1046571, 2400957, 3139713, 4535141, 13605423, 40816269]

約数ペア:

[(1, 40816269), (3, 13605423), (9, 4535141), (13, 3139713), (17, 2400957), (39, 1046571), (51, 800319), (117, 348857), (153, 266773), (221, 184689), (663, 61563), (1989, 20521)]