408243

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 16

約数和(自身を含む): 604800

約数和(自身を除く): 196557

約数列:

[1, 3, 11, 33, 89, 139, 267, 417, 979, 1529, 2937, 4587, 12371, 37113, 136081, 408243]

約数ペア:

[(1, 408243), (3, 136081), (11, 37113), (33, 12371), (89, 4587), (139, 2937), (267, 1529), (417, 979)]