38129721

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 61636608

約数和(自身を除く): 23506887

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 1147, 1583, 3441, 4749, 8029, 11081, 24087, 33243, 49073, 58571, 147219, 175713, 343511, 409997, 1030533, 1229991, 1815701, 5447103, 12709907, 38129721]

約数ペア:

[(1, 38129721), (3, 12709907), (7, 5447103), (21, 1815701), (31, 1229991), (37, 1030533), (93, 409997), (111, 343511), (217, 175713), (259, 147219), (651, 58571), (777, 49073), (1147, 33243), (1583, 24087), (3441, 11081), (4749, 8029)]