81378012

素因数分解:

$2^2\times 3^1\times {\mathrm{6781501}}^1$

素因数の和:6781508

約数の個数: 12

約数和(自身を含む): 189882056

約数和(自身を除く): 108504044

約数列:

[1, 2, 3, 4, 6, 12, 6781501, 13563002, 20344503, 27126004, 40689006, 81378012]

約数ペア:

[(1, 81378012), (2, 40689006), (3, 27126004), (4, 20344503), (6, 13563002), (12, 6781501)]