3991605

素因数分解:

$3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{947}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 6416064

約数和(自身を除く): 2424459

約数列:

[1, 3, 5, 15, 281, 843, 947, 1405, 2841, 4215, 4735, 14205, 266107, 798321, 1330535, 3991605]

約数ペア:

[(1, 3991605), (3, 1330535), (5, 798321), (15, 266107), (281, 14205), (843, 4735), (947, 4215), (1405, 2841)]