251016087

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{629113}}^1$

素因数の和:629142

約数の個数: 16

約数和(自身を含む): 402632960

約数和(自身を除く): 151616873

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 629113, 1887339, 4403791, 11953147, 13211373, 35859441, 83672029, 251016087]

約数ペア:

[(1, 251016087), (3, 83672029), (7, 35859441), (19, 13211373), (21, 11953147), (57, 4403791), (133, 1887339), (399, 629113)]