31848399

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 53374464

約数和(自身を除く): 21526065

約数列:

[1, 3, 9, 11, 23, 33, 69, 71, 99, 197, 207, 213, 253, 591, 639, 759, 781, 1633, 1773, 2167, 2277, 2343, 4531, 4899, 6501, 7029, 13593, 13987, 14697, 17963, 19503, 40779, 41961, 49841, 53889, 125883, 149523, 153857, 161667, 321701, 448569, 461571, 965103, 1384713, 2895309, 3538711, 10616133, 31848399]

約数ペア:

[(1, 31848399), (3, 10616133), (9, 3538711), (11, 2895309), (23, 1384713), (33, 965103), (69, 461571), (71, 448569), (99, 321701), (197, 161667), (207, 153857), (213, 149523), (253, 125883), (591, 53889), (639, 49841), (759, 41961), (781, 40779), (1633, 19503), (1773, 17963), (2167, 14697), (2277, 13987), (2343, 13593), (4531, 7029), (4899, 6501)]