1638045

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 2878200

約数和(自身を除く): 1240155

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 409, 445, 801, 1227, 1335, 2045, 3681, 4005, 6135, 18405, 36401, 109203, 182005, 327609, 546015, 1638045]

約数ペア:

[(1, 1638045), (3, 546015), (5, 327609), (9, 182005), (15, 109203), (45, 36401), (89, 18405), (267, 6135), (409, 4005), (445, 3681), (801, 2045), (1227, 1335)]