1721302009

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1\times {\mathrm{4003}}^1$

素因数の和:5364

約数の個数: 16

約数和(自身を含む): 2011097088

約数和(自身を除く): 289795079

約数列:

[1, 7, 47, 329, 1307, 4003, 9149, 28021, 61429, 188141, 430003, 1316987, 5231921, 36623447, 245900287, 1721302009]

約数ペア:

[(1, 1721302009), (7, 245900287), (47, 36623447), (329, 5231921), (1307, 1316987), (4003, 430003), (9149, 188141), (28021, 61429)]