15551949

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 24572160

約数和(自身を除く): 9020211

約数列:

[1, 3, 7, 21, 53, 89, 157, 159, 267, 371, 471, 623, 1099, 1113, 1869, 3297, 4717, 8321, 13973, 14151, 24963, 33019, 41919, 58247, 97811, 99057, 174741, 293433, 740569, 2221707, 5183983, 15551949]

約数ペア:

[(1, 15551949), (3, 5183983), (7, 2221707), (21, 740569), (53, 293433), (89, 174741), (157, 99057), (159, 97811), (267, 58247), (371, 41919), (471, 33019), (623, 24963), (1099, 14151), (1113, 13973), (1869, 8321), (3297, 4717)]