217797669

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{331}}^1\times {\mathrm{647}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 318831552

約数和(自身を除く): 101033883

約数列:

[1, 3, 9, 113, 331, 339, 647, 993, 1017, 1941, 2979, 5823, 37403, 73111, 112209, 214157, 219333, 336627, 642471, 657999, 1927413, 24199741, 72599223, 217797669]

約数ペア:

[(1, 217797669), (3, 72599223), (9, 24199741), (113, 1927413), (331, 657999), (339, 642471), (647, 336627), (993, 219333), (1017, 214157), (1941, 112209), (2979, 73111), (5823, 37403)]