1239915

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 2002176

約数和(自身を除く): 762261

約数列:

[1, 3, 5, 15, 131, 393, 631, 655, 1893, 1965, 3155, 9465, 82661, 247983, 413305, 1239915]

約数ペア:

[(1, 1239915), (3, 413305), (5, 247983), (15, 82661), (131, 9465), (393, 3155), (631, 1965), (655, 1893)]