217876941

素因数分解:

$3^2\times {\mathrm{199}}^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 318240000

約数和(自身を除く): 100363059

約数列:

[1, 3, 9, 199, 239, 509, 597, 717, 1527, 1791, 2151, 4581, 47561, 101291, 121651, 142683, 303873, 364953, 428049, 911619, 1094859, 24208549, 72625647, 217876941]

約数ペア:

[(1, 217876941), (3, 72625647), (9, 24208549), (199, 1094859), (239, 911619), (509, 428049), (597, 364953), (717, 303873), (1527, 142683), (1791, 121651), (2151, 101291), (4581, 47561)]