211553679

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 299622400

約数和(自身を除く): 88068721

約数列:

[1, 3, 37, 43, 111, 127, 129, 349, 381, 1047, 1591, 4699, 4773, 5461, 12913, 14097, 15007, 16383, 38739, 44323, 45021, 132969, 202057, 555259, 606171, 1639951, 1665777, 1905889, 4919853, 5717667, 70517893, 211553679]

約数ペア:

[(1, 211553679), (3, 70517893), (37, 5717667), (43, 4919853), (111, 1905889), (127, 1665777), (129, 1639951), (349, 606171), (381, 555259), (1047, 202057), (1591, 132969), (4699, 45021), (4773, 44323), (5461, 38739), (12913, 16383), (14097, 15007)]