131378814

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{347563}}^1$

素因数の和:347581

約数の個数: 32

約数和(自身を含む): 333661440

約数和(自身を除く): 202282626

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 347563, 695126, 1042689, 2085378, 2432941, 3128067, 4865882, 6256134, 7298823, 9384201, 14597646, 18768402, 21896469, 43792938, 65689407, 131378814]

約数ペア:

[(1, 131378814), (2, 65689407), (3, 43792938), (6, 21896469), (7, 18768402), (9, 14597646), (14, 9384201), (18, 7298823), (21, 6256134), (27, 4865882), (42, 3128067), (54, 2432941), (63, 2085378), (126, 1042689), (189, 695126), (378, 347563)]