153804987

素因数分解:

$3^4\times 7^1\times {\mathrm{271261}}^1$

素因数の和:271280

約数の個数: 20

約数和(自身を含む): 262581616

約数和(自身を除く): 108776629

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 271261, 813783, 1898827, 2441349, 5696481, 7324047, 17089443, 21972141, 51268329, 153804987]

約数ペア:

[(1, 153804987), (3, 51268329), (7, 21972141), (9, 17089443), (21, 7324047), (27, 5696481), (63, 2441349), (81, 1898827), (189, 813783), (567, 271261)]