71606493

素因数分解:

$3^2\times 7^2\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:826

約数の個数: 36

約数和(自身を含む): 120916380

約数和(自身を除く): 49309887

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 397, 409, 441, 1191, 1227, 2779, 2863, 3573, 3681, 8337, 8589, 19453, 20041, 25011, 25767, 58359, 60123, 162373, 175077, 180369, 487119, 1136611, 1461357, 3409833, 7956277, 10229499, 23868831, 71606493]

約数ペア:

[(1, 71606493), (3, 23868831), (7, 10229499), (9, 7956277), (21, 3409833), (49, 1461357), (63, 1136611), (147, 487119), (397, 180369), (409, 175077), (441, 162373), (1191, 60123), (1227, 58359), (2779, 25767), (2863, 25011), (3573, 20041), (3681, 19453), (8337, 8589)]