28771035

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 48840960

約数和(自身を除く): 20069925

約数列:

[1, 3, 5, 15, 19, 57, 95, 157, 285, 471, 643, 785, 1929, 2355, 2983, 3215, 8949, 9645, 12217, 14915, 36651, 44745, 61085, 100951, 183255, 302853, 504755, 1514265, 1918069, 5754207, 9590345, 28771035]

約数ペア:

[(1, 28771035), (3, 9590345), (5, 5754207), (15, 1918069), (19, 1514265), (57, 504755), (95, 302853), (157, 183255), (285, 100951), (471, 61085), (643, 44745), (785, 36651), (1929, 14915), (2355, 12217), (2983, 9645), (3215, 8949)]