31804521

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 49932288

約数和(自身を除く): 18127767

約数列:

[1, 3, 7, 21, 71, 83, 213, 249, 257, 497, 581, 771, 1491, 1743, 1799, 5397, 5893, 17679, 18247, 21331, 41251, 54741, 63993, 123753, 127729, 149317, 383187, 447951, 1514501, 4543503, 10601507, 31804521]

約数ペア:

[(1, 31804521), (3, 10601507), (7, 4543503), (21, 1514501), (71, 447951), (83, 383187), (213, 149317), (249, 127729), (257, 123753), (497, 63993), (581, 54741), (771, 41251), (1491, 21331), (1743, 18247), (1799, 17679), (5397, 5893)]