9197982423

素因数分解:

$3^2\times 7^2\times {\mathrm{20857103}}^1$

素因数の和:20857123

約数の個数: 18

約数和(自身を含む): 15455114064

約数和(自身を除く): 6257131641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 20857103, 62571309, 145999721, 187713927, 437999163, 1021998047, 1313997489, 3065994141, 9197982423]

約数ペア:

[(1, 9197982423), (3, 3065994141), (7, 1313997489), (9, 1021998047), (21, 437999163), (49, 187713927), (63, 145999721), (147, 62571309), (441, 20857103)]