15639609

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 23500800

約数和(自身を除く): 7861191

約数列:

[1, 3, 17, 23, 51, 67, 69, 199, 201, 391, 597, 1139, 1173, 1541, 3383, 3417, 4577, 4623, 10149, 13333, 13731, 26197, 39999, 77809, 78591, 226661, 233427, 306659, 679983, 919977, 5213203, 15639609]

約数ペア:

[(1, 15639609), (3, 5213203), (17, 919977), (23, 679983), (51, 306659), (67, 233427), (69, 226661), (199, 78591), (201, 77809), (391, 39999), (597, 26197), (1139, 13731), (1173, 13333), (1541, 10149), (3383, 4623), (3417, 4577)]