40309221

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{1087}}^1$

素因数の和:1400

約数の個数: 16

約数和(自身を含む): 55148544

約数和(自身を除く): 14839323

約数列:

[1, 3, 47, 141, 263, 789, 1087, 3261, 12361, 37083, 51089, 153267, 285881, 857643, 13436407, 40309221]

約数ペア:

[(1, 40309221), (3, 13436407), (47, 857643), (141, 285881), (263, 153267), (789, 51089), (1087, 37083), (3261, 12361)]