213755280477

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{2389}}^1\times {\mathrm{634573}}^1$

素因数の和:637012

約数の個数: 16

約数和(自身を含む): 291193317120

約数和(自身を除く): 77438036643

約数列:

[1, 3, 47, 141, 2389, 7167, 112283, 336849, 634573, 1903719, 29824931, 89474793, 1515994897, 4547984691, 71251760159, 213755280477]

約数ペア:

[(1, 213755280477), (3, 71251760159), (47, 4547984691), (141, 1515994897), (2389, 89474793), (7167, 29824931), (112283, 1903719), (336849, 634573)]