2561259

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 3525120

約数和(自身を除く): 963861

約数列:

[1, 3, 79, 101, 107, 237, 303, 321, 7979, 8453, 10807, 23937, 25359, 32421, 853753, 2561259]

約数ペア:

[(1, 2561259), (3, 853753), (79, 32421), (101, 25359), (107, 23937), (237, 10807), (303, 8453), (321, 7979)]