28084173

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 14493747

約数列:

[1, 3, 13, 23, 39, 69, 131, 239, 299, 393, 717, 897, 1703, 3013, 3107, 5109, 5497, 9039, 9321, 16491, 31309, 39169, 71461, 93927, 117507, 214383, 407017, 720107, 1221051, 2160321, 9361391, 28084173]

約数ペア:

[(1, 28084173), (3, 9361391), (13, 2160321), (23, 1221051), (39, 720107), (69, 407017), (131, 214383), (239, 117507), (299, 93927), (393, 71461), (717, 39169), (897, 31309), (1703, 16491), (3013, 9321), (3107, 9039), (5109, 5497)]