2786979

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 4216320

約数和(自身を除く): 1429341

約数列:

[1, 3, 13, 23, 39, 69, 169, 239, 299, 507, 717, 897, 3107, 3887, 5497, 9321, 11661, 16491, 40391, 71461, 121173, 214383, 928993, 2786979]

約数ペア:

[(1, 2786979), (3, 928993), (13, 214383), (23, 121173), (39, 71461), (69, 40391), (169, 16491), (239, 11661), (299, 9321), (507, 5497), (717, 3887), (897, 3107)]