211589889

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{35107}}^1$

素因数の和:35165

約数の個数: 24

約数和(自身を含む): 336194208

約数和(自身を除く): 124604319

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 35107, 105321, 245749, 737247, 1439387, 1720243, 4318161, 5160729, 10075709, 30227127, 70529963, 211589889]

約数ペア:

[(1, 211589889), (3, 70529963), (7, 30227127), (21, 10075709), (41, 5160729), (49, 4318161), (123, 1720243), (147, 1439387), (287, 737247), (861, 245749), (2009, 105321), (6027, 35107)]