217608417

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{619967}}^1$

素因数の和:619989

約数の個数: 16

約数和(自身を含む): 347182080

約数和(自身を除く): 129573663

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 619967, 1859901, 5579703, 8059571, 16739109, 24178713, 72536139, 217608417]

約数ペア:

[(1, 217608417), (3, 72536139), (9, 24178713), (13, 16739109), (27, 8059571), (39, 5579703), (117, 1859901), (351, 619967)]