81473994

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{646619}}^1$

素因数の和:646634

約数の個数: 24

約数和(自身を含む): 201745440

約数和(自身を除く): 120271446

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 646619, 1293238, 1939857, 3879714, 4526333, 5819571, 9052666, 11639142, 13578999, 27157998, 40736997, 81473994]

約数ペア:

[(1, 81473994), (2, 40736997), (3, 27157998), (6, 13578999), (7, 11639142), (9, 9052666), (14, 5819571), (18, 4526333), (21, 3879714), (42, 1939857), (63, 1293238), (126, 646619)]