9001905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{613}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 15914880

約数和(自身を除く): 6912975

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 267, 445, 613, 979, 1335, 1839, 2937, 3065, 4895, 6743, 9195, 14685, 20229, 33715, 54557, 101145, 163671, 272785, 600127, 818355, 1800381, 3000635, 9001905]

約数ペア:

[(1, 9001905), (3, 3000635), (5, 1800381), (11, 818355), (15, 600127), (33, 272785), (55, 163671), (89, 101145), (165, 54557), (267, 33715), (445, 20229), (613, 14685), (979, 9195), (1335, 6743), (1839, 4895), (2937, 3065)]