31478787

素因数分解:

$3^4\times {\mathrm{569}}^1\times {\mathrm{683}}^1$

素因数の和:1264

約数の個数: 20

約数和(自身を含む): 47175480

約数和(自身を除く): 15696693

約数列:

[1, 3, 9, 27, 81, 569, 683, 1707, 2049, 5121, 6147, 15363, 18441, 46089, 55323, 388627, 1165881, 3497643, 10492929, 31478787]

約数ペア:

[(1, 31478787), (3, 10492929), (9, 3497643), (27, 1165881), (81, 388627), (569, 55323), (683, 46089), (1707, 18441), (2049, 15363), (5121, 6147)]