138555729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{69661}}^1$

素因数の和:69697

約数の個数: 24

約数和(自身を含む): 228212712

約数和(自身を除く): 89656983

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 69661, 208983, 626949, 905593, 1184237, 2716779, 3552711, 8150337, 10658133, 15395081, 46185243, 138555729]

約数ペア:

[(1, 138555729), (3, 46185243), (9, 15395081), (13, 10658133), (17, 8150337), (39, 3552711), (51, 2716779), (117, 1184237), (153, 905593), (221, 626949), (663, 208983), (1989, 69661)]