216175971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{51581}}^1$

素因数の和:51722

約数の個数: 16

約数和(自身を含む): 316919808

約数和(自身を除く): 100743837

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 51581, 154743, 567391, 1702173, 6550787, 19652361, 72058657, 216175971]

約数ペア:

[(1, 216175971), (3, 72058657), (11, 19652361), (33, 6550787), (127, 1702173), (381, 567391), (1397, 154743), (4191, 51581)]