421115751

素因数分解:

$3^2\times 7^2\times {\mathrm{954911}}^1$

素因数の和:954931

約数の個数: 18

約数和(自身を含む): 707589792

約数和(自身を除く): 286474041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 954911, 2864733, 6684377, 8594199, 20053131, 46790639, 60159393, 140371917, 421115751]

約数ペア:

[(1, 421115751), (3, 140371917), (7, 60159393), (9, 46790639), (21, 20053131), (49, 8594199), (63, 6684377), (147, 2864733), (441, 954911)]