31445577

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{16879}}^1$

素因数の和:16914

約数の個数: 20

約数和(自身を含む): 49019520

約数和(自身を除く): 17573943

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 16879, 50637, 151911, 388217, 455733, 1164651, 1367199, 3493953, 10481859, 31445577]

約数ペア:

[(1, 31445577), (3, 10481859), (9, 3493953), (23, 1367199), (27, 1164651), (69, 455733), (81, 388217), (207, 151911), (621, 50637), (1863, 16879)]