12381405

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28463}}^1$

素因数の和:28500

約数の個数: 16

約数和(自身を含む): 20494080

約数和(自身を除く): 8112675

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 28463, 85389, 142315, 426945, 825427, 2476281, 4127135, 12381405]

約数ペア:

[(1, 12381405), (3, 4127135), (5, 2476281), (15, 825427), (29, 426945), (87, 142315), (145, 85389), (435, 28463)]