55693989

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28001}}^1$

素因数の和:28037

約数の個数: 24

約数和(自身を含む): 91734552

約数和(自身を除く): 36040563

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 28001, 84003, 252009, 364013, 476017, 1092039, 1428051, 3276117, 4284153, 6188221, 18564663, 55693989]

約数ペア:

[(1, 55693989), (3, 18564663), (9, 6188221), (13, 4284153), (17, 3276117), (39, 1428051), (51, 1092039), (117, 476017), (153, 364013), (221, 252009), (663, 84003), (1989, 28001)]