66889917

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{25717}}^1$

素因数の和:25757

約数の個数: 18

約数和(自身を含む): 102640538

約数和(自身を除く): 35750621

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 25717, 77151, 231453, 437189, 1311567, 3934701, 7432213, 22296639, 66889917]

約数ペア:

[(1, 66889917), (3, 22296639), (9, 7432213), (17, 3934701), (51, 1311567), (153, 437189), (289, 231453), (867, 77151), (2601, 25717)]