628557741

素因数分解:

$3^2\times 7^2\times {\mathrm{1425301}}^1$

素因数の和:1425321

約数の個数: 18

約数和(自身を含む): 1056148782

約数和(自身を除く): 427591041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1425301, 4275903, 9977107, 12827709, 29931321, 69839749, 89793963, 209519247, 628557741]

約数ペア:

[(1, 628557741), (3, 209519247), (7, 89793963), (9, 69839749), (21, 29931321), (49, 12827709), (63, 9977107), (147, 4275903), (441, 1425301)]