27821185

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 39497472

約数和(自身を除く): 11676287

約数列:

[1, 5, 7, 35, 61, 83, 157, 305, 415, 427, 581, 785, 1099, 2135, 2905, 5063, 5495, 9577, 13031, 25315, 35441, 47885, 65155, 67039, 91217, 177205, 335195, 456085, 794891, 3974455, 5564237, 27821185]

約数ペア:

[(1, 27821185), (5, 5564237), (7, 3974455), (35, 794891), (61, 456085), (83, 335195), (157, 177205), (305, 91217), (415, 67039), (427, 65155), (581, 47885), (785, 35441), (1099, 25315), (2135, 13031), (2905, 9577), (5063, 5495)]