208764549

素因数分解:

$3^2\times 7^4\times {\mathrm{9661}}^1$

素因数の和:9695

約数の個数: 30

約数和(自身を含む): 351822406

約数和(自身を除く): 143057857

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2401, 3087, 7203, 9661, 21609, 28983, 67627, 86949, 202881, 473389, 608643, 1420167, 3313723, 4260501, 9941169, 23196061, 29823507, 69588183, 208764549]

約数ペア:

[(1, 208764549), (3, 69588183), (7, 29823507), (9, 23196061), (21, 9941169), (49, 4260501), (63, 3313723), (147, 1420167), (343, 608643), (441, 473389), (1029, 202881), (2401, 86949), (3087, 67627), (7203, 28983), (9661, 21609)]