690697773

素因数分解:

$3^4\times {\mathrm{1637}}^1\times {\mathrm{5209}}^1$

素因数の和:6858

約数の個数: 20

約数和(自身を含む): 1032611580

約数和(自身を除く): 341913807

約数列:

[1, 3, 9, 27, 81, 1637, 4911, 5209, 14733, 15627, 44199, 46881, 132597, 140643, 421929, 8527133, 25581399, 76744197, 230232591, 690697773]

約数ペア:

[(1, 690697773), (3, 230232591), (9, 76744197), (27, 25581399), (81, 8527133), (1637, 421929), (4911, 140643), (5209, 132597), (14733, 46881), (15627, 44199)]