141731289

素因数分解:

$3^4\times 7^1\times {\mathrm{249967}}^1$

素因数の和:249986

約数の個数: 20

約数和(自身を含む): 241969024

約数和(自身を除く): 100237735

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 249967, 749901, 1749769, 2249703, 5249307, 6749109, 15747921, 20247327, 47243763, 141731289]

約数ペア:

[(1, 141731289), (3, 47243763), (7, 20247327), (9, 15747921), (21, 6749109), (27, 5249307), (63, 2249703), (81, 1749769), (189, 749901), (567, 249967)]