11974815

素因数分解:

$3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{947}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 20852208

約数和(自身を除く): 8877393

約数列:

[1, 3, 5, 9, 15, 45, 281, 843, 947, 1405, 2529, 2841, 4215, 4735, 8523, 12645, 14205, 42615, 266107, 798321, 1330535, 2394963, 3991605, 11974815]

約数ペア:

[(1, 11974815), (3, 3991605), (5, 2394963), (9, 1330535), (15, 798321), (45, 266107), (281, 42615), (843, 14205), (947, 12645), (1405, 8523), (2529, 4735), (2841, 4215)]