388778877

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{7237}}^1$

素因数の和:7417

約数の個数: 24

約数和(自身を含む): 578113536

約数和(自身を除く): 189334659

約数列:

[1, 3, 9, 47, 127, 141, 381, 423, 1143, 5969, 7237, 17907, 21711, 53721, 65133, 340139, 919099, 1020417, 2757297, 3061251, 8271891, 43197653, 129592959, 388778877]

約数ペア:

[(1, 388778877), (3, 129592959), (9, 43197653), (47, 8271891), (127, 3061251), (141, 2757297), (381, 1020417), (423, 919099), (1143, 340139), (5969, 65133), (7237, 53721), (17907, 21711)]