289745343

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{19763}}^1$

素因数の和:19956

約数の個数: 20

約数和(自身を含む): 435242808

約数和(自身を除く): 145497465

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 4887, 14661, 19763, 59289, 177867, 533601, 1600803, 3577103, 10731309, 32193927, 96581781, 289745343]

約数ペア:

[(1, 289745343), (3, 96581781), (9, 32193927), (27, 10731309), (81, 3577103), (181, 1600803), (543, 533601), (1629, 177867), (4887, 59289), (14661, 19763)]