9197937

素因数分解:

$3^2\times 7^2\times {\mathrm{20857}}^1$

素因数の和:20877

約数の個数: 18

約数和(自身を含む): 15455778

約数和(自身を除く): 6257841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 20857, 62571, 145999, 187713, 437997, 1021993, 1313991, 3065979, 9197937]

約数ペア:

[(1, 9197937), (3, 3065979), (7, 1313991), (9, 1021993), (21, 437997), (49, 187713), (63, 145999), (147, 62571), (441, 20857)]