1980265

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1951}}^1$

素因数の和:1992

約数の個数: 16

約数和(自身を含む): 2810880

約数和(自身を除く): 830615

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 1951, 9755, 13657, 56579, 68285, 282895, 396053, 1980265]

約数ペア:

[(1, 1980265), (5, 396053), (7, 282895), (29, 68285), (35, 56579), (145, 13657), (203, 9755), (1015, 1951)]