81845787

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 117976320

約数和(自身を除く): 36130533

約数列:

[1, 3, 19, 57, 97, 113, 131, 291, 339, 393, 1843, 2147, 2489, 5529, 6441, 7467, 10961, 12707, 14803, 32883, 38121, 44409, 208259, 241433, 281257, 624777, 724299, 843771, 1435891, 4307673, 27281929, 81845787]

約数ペア:

[(1, 81845787), (3, 27281929), (19, 4307673), (57, 1435891), (97, 843771), (113, 724299), (131, 624777), (291, 281257), (339, 241433), (393, 208259), (1843, 44409), (2147, 38121), (2489, 32883), (5529, 14803), (6441, 12707), (7467, 10961)]