18130401

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 26923104

約数和(自身を除く): 8792703

約数列:

[1, 3, 9, 67, 107, 201, 281, 321, 603, 843, 963, 2529, 7169, 18827, 21507, 30067, 56481, 64521, 90201, 169443, 270603, 2014489, 6043467, 18130401]

約数ペア:

[(1, 18130401), (3, 6043467), (9, 2014489), (67, 270603), (107, 169443), (201, 90201), (281, 64521), (321, 56481), (603, 30067), (843, 21507), (963, 18827), (2529, 7169)]