388581021

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{31817}}^1$

素因数の和:31905

約数の個数: 24

約数和(自身を含む): 595632960

約数和(自身を除く): 207051939

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 4071, 12213, 31817, 95451, 286353, 731791, 1877203, 2195373, 5631609, 6586119, 16894827, 43175669, 129527007, 388581021]

約数ペア:

[(1, 388581021), (3, 129527007), (9, 43175669), (23, 16894827), (59, 6586119), (69, 5631609), (177, 2195373), (207, 1877203), (531, 731791), (1357, 286353), (4071, 95451), (12213, 31817)]