25418151

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 43580160

約数和(自身を除く): 18162009

約数列:

[1, 3, 9, 11, 23, 27, 33, 61, 69, 99, 183, 207, 253, 297, 549, 621, 671, 759, 1403, 1647, 2013, 2277, 3721, 4209, 6039, 6831, 11163, 12627, 15433, 18117, 33489, 37881, 40931, 46299, 85583, 100467, 122793, 138897, 256749, 368379, 416691, 770247, 941413, 1105137, 2310741, 2824239, 8472717, 25418151]

約数ペア:

[(1, 25418151), (3, 8472717), (9, 2824239), (11, 2310741), (23, 1105137), (27, 941413), (33, 770247), (61, 416691), (69, 368379), (99, 256749), (183, 138897), (207, 122793), (253, 100467), (297, 85583), (549, 46299), (621, 40931), (671, 37881), (759, 33489), (1403, 18117), (1647, 15433), (2013, 12627), (2277, 11163), (3721, 6831), (4209, 6039)]