28880709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2927}}^1$

素因数の和:2977

約数の個数: 32

約数和(自身を含む): 47222784

約数和(自身を除く): 18342075

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 2927, 3289, 8781, 9867, 32197, 38051, 67321, 96591, 114153, 201963, 418561, 740531, 875173, 1255683, 2221593, 2625519, 9626903, 28880709]

約数ペア:

[(1, 28880709), (3, 9626903), (11, 2625519), (13, 2221593), (23, 1255683), (33, 875173), (39, 740531), (69, 418561), (143, 201963), (253, 114153), (299, 96591), (429, 67321), (759, 38051), (897, 32197), (2927, 9867), (3289, 8781)]