31966569

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{20771}}^1$

素因数の和:20802

約数の個数: 20

約数和(自身を含む): 50268240

約数和(自身を除く): 18301671

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 20771, 62313, 186939, 394649, 560817, 1183947, 1682451, 3551841, 10655523, 31966569]

約数ペア:

[(1, 31966569), (3, 10655523), (9, 3551841), (19, 1682451), (27, 1183947), (57, 560817), (81, 394649), (171, 186939), (513, 62313), (1539, 20771)]