218637711

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{23887}}^1$

素因数の和:24012

約数の個数: 20

約数和(自身を含む): 329511072

約数和(自身を除く): 110873361

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 3051, 9153, 23887, 71661, 214983, 644949, 1934847, 2699231, 8097693, 24293079, 72879237, 218637711]

約数ペア:

[(1, 218637711), (3, 72879237), (9, 24293079), (27, 8097693), (81, 2699231), (113, 1934847), (339, 644949), (1017, 214983), (3051, 71661), (9153, 23887)]