221369757

素因数分解:

$3^1\times 7^1\times {\mathrm{2143}}^1\times {\mathrm{4919}}^1$

素因数の和:7072

約数の個数: 16

約数和(自身を含む): 337551360

約数和(自身を除く): 116181603

約数列:

[1, 3, 7, 21, 2143, 4919, 6429, 14757, 15001, 34433, 45003, 103299, 10541417, 31624251, 73789919, 221369757]

約数ペア:

[(1, 221369757), (3, 73789919), (7, 31624251), (21, 10541417), (2143, 103299), (4919, 45003), (6429, 34433), (14757, 15001)]