15689739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 23595264

約数和(自身を除く): 7905525

約数列:

[1, 3, 13, 37, 39, 83, 111, 131, 249, 393, 481, 1079, 1443, 1703, 3071, 3237, 4847, 5109, 9213, 10873, 14541, 32619, 39923, 63011, 119769, 141349, 189033, 402301, 424047, 1206903, 5229913, 15689739]

約数ペア:

[(1, 15689739), (3, 5229913), (13, 1206903), (37, 424047), (39, 402301), (83, 189033), (111, 141349), (131, 119769), (249, 63011), (393, 39923), (481, 32619), (1079, 14541), (1443, 10873), (1703, 9213), (3071, 5109), (3237, 4847)]