17993613

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 27666432

約数和(自身を除く): 9672819

約数列:

[1, 3, 11, 23, 33, 69, 151, 157, 253, 453, 471, 759, 1661, 1727, 3473, 3611, 4983, 5181, 10419, 10833, 23707, 38203, 39721, 71121, 114609, 119163, 260777, 545261, 782331, 1635783, 5997871, 17993613]

約数ペア:

[(1, 17993613), (3, 5997871), (11, 1635783), (23, 782331), (33, 545261), (69, 260777), (151, 119163), (157, 114609), (253, 71121), (453, 39721), (471, 38203), (759, 23707), (1661, 10833), (1727, 10419), (3473, 5181), (3611, 4983)]