87991113

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{19309}}^1$

素因数の和:19357

約数の個数: 24

約数和(自身を含む): 140885760

約数和(自身を除く): 52894647

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 19309, 57927, 135163, 405489, 598579, 946141, 1795737, 2838423, 4190053, 12570159, 29330371, 87991113]

約数ペア:

[(1, 87991113), (3, 29330371), (7, 12570159), (21, 4190053), (31, 2838423), (49, 1795737), (93, 946141), (147, 598579), (217, 405489), (651, 135163), (1519, 57927), (4557, 19309)]