669231

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 1044576

約数和(自身を除く): 375345

約数列:

[1, 3, 9, 23, 53, 61, 69, 159, 183, 207, 477, 549, 1219, 1403, 3233, 3657, 4209, 9699, 10971, 12627, 29097, 74359, 223077, 669231]

約数ペア:

[(1, 669231), (3, 223077), (9, 74359), (23, 29097), (53, 12627), (61, 10971), (69, 9699), (159, 4209), (183, 3657), (207, 3233), (477, 1403), (549, 1219)]