1947855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 3838464

約数和(自身を除く): 1890609

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 1427, 4281, 7135, 9989, 18551, 21405, 29967, 49945, 55653, 92755, 129857, 149835, 278265, 389571, 649285, 1947855]

約数ペア:

[(1, 1947855), (3, 649285), (5, 389571), (7, 278265), (13, 149835), (15, 129857), (21, 92755), (35, 55653), (39, 49945), (65, 29967), (91, 21405), (105, 18551), (195, 9989), (273, 7135), (455, 4281), (1365, 1427)]