81584874

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{215833}}^1$

素因数の和:215851

約数の個数: 32

約数和(自身を含む): 207200640

約数和(自身を除く): 125615766

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 215833, 431666, 647499, 1294998, 1510831, 1942497, 3021662, 3884994, 4532493, 5827491, 9064986, 11654982, 13597479, 27194958, 40792437, 81584874]

約数ペア:

[(1, 81584874), (2, 40792437), (3, 27194958), (6, 13597479), (7, 11654982), (9, 9064986), (14, 5827491), (18, 4532493), (21, 3884994), (27, 3021662), (42, 1942497), (54, 1510831), (63, 1294998), (126, 647499), (189, 431666), (378, 215833)]