2425005

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 64

約数和(自身を含む): 4976640

約数和(自身を除く): 2551635

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 71, 99, 115, 135, 165, 207, 213, 253, 297, 345, 355, 495, 621, 639, 759, 781, 1035, 1065, 1265, 1485, 1633, 1917, 2277, 2343, 3105, 3195, 3795, 3905, 4899, 6831, 7029, 8165, 9585, 11385, 11715, 14697, 17963, 21087, 24495, 34155, 35145, 44091, 53889, 73485, 89815, 105435, 161667, 220455, 269445, 485001, 808335, 2425005]

約数ペア:

[(1, 2425005), (3, 808335), (5, 485001), (9, 269445), (11, 220455), (15, 161667), (23, 105435), (27, 89815), (33, 73485), (45, 53889), (55, 44091), (69, 35145), (71, 34155), (99, 24495), (115, 21087), (135, 17963), (165, 14697), (207, 11715), (213, 11385), (253, 9585), (297, 8165), (345, 7029), (355, 6831), (495, 4899), (621, 3905), (639, 3795), (759, 3195), (781, 3105), (1035, 2343), (1065, 2277), (1265, 1917), (1485, 1633)]