491142141

素因数分解:

$3^2\times 7^2\times {\mathrm{1113701}}^1$

素因数の和:1113721

約数の個数: 18

約数和(自身を含む): 825253182

約数和(自身を除く): 334111041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1113701, 3341103, 7795907, 10023309, 23387721, 54571349, 70163163, 163714047, 491142141]

約数ペア:

[(1, 491142141), (3, 163714047), (7, 70163163), (9, 54571349), (21, 23387721), (49, 10023309), (63, 7795907), (147, 3341103), (441, 1113701)]