7861965

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4001}}^1$

素因数の和:4140

約数の個数: 16

約数和(自身を含む): 12678336

約数和(自身を除く): 4816371

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 4001, 12003, 20005, 60015, 524131, 1572393, 2620655, 7861965]

約数ペア:

[(1, 7861965), (3, 2620655), (5, 1572393), (15, 524131), (131, 60015), (393, 20005), (655, 12003), (1965, 4001)]