127798281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47491}}^1$

素因数の和:47533

約数の個数: 24

約数和(自身を含む): 207445056

約数和(自身を除く): 79646775

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 47491, 142473, 427419, 617383, 1092293, 1852149, 3276879, 5556447, 9830637, 14199809, 42599427, 127798281]

約数ペア:

[(1, 127798281), (3, 42599427), (9, 14199809), (13, 9830637), (23, 5556447), (39, 3276879), (69, 1852149), (117, 1092293), (207, 617383), (299, 427419), (897, 142473), (2691, 47491)]