15311739

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 22752000

約数和(自身を除く): 7440261

約数列:

[1, 3, 19, 29, 57, 59, 87, 157, 177, 471, 551, 1121, 1653, 1711, 2983, 3363, 4553, 5133, 8949, 9263, 13659, 27789, 32509, 86507, 97527, 175997, 259521, 268627, 527991, 805881, 5103913, 15311739]

約数ペア:

[(1, 15311739), (3, 5103913), (19, 805881), (29, 527991), (57, 268627), (59, 259521), (87, 175997), (157, 97527), (177, 86507), (471, 32509), (551, 27789), (1121, 13659), (1653, 9263), (1711, 8949), (2983, 5133), (3363, 4553)]