31406373

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{20407}}^1$

素因数の和:20438

約数の個数: 20

約数和(自身を含む): 49387360

約数和(自身を除く): 17980987

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 20407, 61221, 183663, 387733, 550989, 1163199, 1652967, 3489597, 10468791, 31406373]

約数ペア:

[(1, 31406373), (3, 10468791), (9, 3489597), (19, 1652967), (27, 1163199), (57, 550989), (81, 387733), (171, 183663), (513, 61221), (1539, 20407)]