1639779897

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4593221}}^1$

素因数の和:4593248

約数の個数: 16

約数和(自身を含む): 2645695872

約数和(自身を除く): 1005915975

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 4593221, 13779663, 32152547, 78084757, 96457641, 234254271, 546593299, 1639779897]

約数ペア:

[(1, 1639779897), (3, 546593299), (7, 234254271), (17, 96457641), (21, 78084757), (51, 32152547), (119, 13779663), (357, 4593221)]