420773679

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{3251}}^1$

素因数の和:3527

約数の個数: 24

約数和(自身を含む): 619427952

約数和(自身を除く): 198654273

約数列:

[1, 3, 9, 73, 197, 219, 591, 657, 1773, 3251, 9753, 14381, 29259, 43143, 129429, 237323, 640447, 711969, 1921341, 2135907, 5764023, 46752631, 140257893, 420773679]

約数ペア:

[(1, 420773679), (3, 140257893), (9, 46752631), (73, 5764023), (197, 2135907), (219, 1921341), (591, 711969), (657, 640447), (1773, 237323), (3251, 129429), (9753, 43143), (14381, 29259)]