921335289

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{329873}}^1$

素因数の和:329909

約数の個数: 24

約数和(自身を含む): 1504225440

約数和(自身を除く): 582890151

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 329873, 989619, 2309111, 6267587, 6927333, 16163777, 18802761, 43873109, 48491331, 131619327, 307111763, 921335289]

約数ペア:

[(1, 921335289), (3, 307111763), (7, 131619327), (19, 48491331), (21, 43873109), (49, 18802761), (57, 16163777), (133, 6927333), (147, 6267587), (399, 2309111), (931, 989619), (2793, 329873)]