161491401

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{68749}}^1$

素因数の和:68790

約数の個数: 20

約数和(自身を含む): 249562500

約数和(自身を除く): 88071099

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 68749, 206247, 618741, 1856223, 1993721, 5568669, 5981163, 17943489, 53830467, 161491401]

約数ペア:

[(1, 161491401), (3, 53830467), (9, 17943489), (27, 5981163), (29, 5568669), (81, 1993721), (87, 1856223), (261, 618741), (783, 206247), (2349, 68749)]