28647885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1087}}^1$

素因数の和:1353

約数の個数: 32

約数和(自身を含む): 52641792

約数和(自身を除く): 23993907

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 753, 1087, 1255, 1757, 3261, 3765, 5271, 5435, 7609, 8785, 16305, 22827, 26355, 38045, 114135, 272837, 818511, 1364185, 1909859, 4092555, 5729577, 9549295, 28647885]

約数ペア:

[(1, 28647885), (3, 9549295), (5, 5729577), (7, 4092555), (15, 1909859), (21, 1364185), (35, 818511), (105, 272837), (251, 114135), (753, 38045), (1087, 26355), (1255, 22827), (1757, 16305), (3261, 8785), (3765, 7609), (5271, 5435)]