2389995

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 4180176

約数和(自身を除く): 1790181

約数列:

[1, 3, 5, 9, 15, 45, 173, 307, 519, 865, 921, 1535, 1557, 2595, 2763, 4605, 7785, 13815, 53111, 159333, 265555, 477999, 796665, 2389995]

約数ペア:

[(1, 2389995), (3, 796665), (5, 477999), (9, 265555), (15, 159333), (45, 53111), (173, 13815), (307, 7785), (519, 4605), (865, 2763), (921, 2595), (1535, 1557)]