81432378

素因数分解:

$2^1\times 3^4\times {\mathrm{502669}}^1$

素因数の和:502683

約数の個数: 20

約数和(自身を含む): 182469210

約数和(自身を除く): 101036832

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 502669, 1005338, 1508007, 3016014, 4524021, 9048042, 13572063, 27144126, 40716189, 81432378]

約数ペア:

[(1, 81432378), (2, 40716189), (3, 27144126), (6, 13572063), (9, 9048042), (18, 4524021), (27, 3016014), (54, 1508007), (81, 1005338), (162, 502669)]