211320879

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{130687}}^1$

素因数の和:130715

約数の個数: 24

約数和(自身を含む): 357562368

約数和(自身を除く): 146241489

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 130687, 392061, 914809, 1437557, 2744427, 4312671, 6403663, 10062899, 19210989, 30188697, 70440293, 211320879]

約数ペア:

[(1, 211320879), (3, 70440293), (7, 30188697), (11, 19210989), (21, 10062899), (33, 6403663), (49, 4312671), (77, 2744427), (147, 1437557), (231, 914809), (539, 392061), (1617, 130687)]