42908373

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{2689}}^1$

素因数の和:2898

約数の個数: 20

約数和(自身を含む): 64447020

約数和(自身を除く): 21538647

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 2689, 5319, 8067, 15957, 24201, 72603, 217809, 529733, 1589199, 4767597, 14302791, 42908373]

約数ペア:

[(1, 42908373), (3, 14302791), (9, 4767597), (27, 1589199), (81, 529733), (197, 217809), (591, 72603), (1773, 24201), (2689, 15957), (5319, 8067)]