3969897981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9949619}}^1$

素因数の和:9949648

約数の個数: 16

約数和(自身を含む): 6367756800

約数和(自身を除く): 2397858819

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 9949619, 29848857, 69647333, 189042761, 208941999, 567128283, 1323299327, 3969897981]

約数ペア:

[(1, 3969897981), (3, 1323299327), (7, 567128283), (19, 208941999), (21, 189042761), (57, 69647333), (133, 29848857), (399, 9949619)]