2900001

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 32

約数和(自身を含む): 4499712

約数和(自身を除く): 1599711

約数列:

[1, 3, 13, 23, 39, 53, 61, 69, 159, 183, 299, 689, 793, 897, 1219, 1403, 2067, 2379, 3233, 3657, 4209, 9699, 15847, 18239, 42029, 47541, 54717, 74359, 126087, 223077, 966667, 2900001]

約数ペア:

[(1, 2900001), (3, 966667), (13, 223077), (23, 126087), (39, 74359), (53, 54717), (61, 47541), (69, 42029), (159, 18239), (183, 15847), (299, 9699), (689, 4209), (793, 3657), (897, 3233), (1219, 2379), (1403, 2067)]