9919217

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{239}}^1$

素因数の和:282

約数の個数: 24

約数和(自身を含む): 12768000

約数和(自身を除く): 2848783

約数列:

[1, 7, 11, 49, 77, 121, 239, 343, 539, 847, 1673, 2629, 3773, 5929, 11711, 18403, 28919, 41503, 81977, 128821, 202433, 901747, 1417031, 9919217]

約数ペア:

[(1, 9919217), (7, 1417031), (11, 901747), (49, 202433), (77, 128821), (121, 81977), (239, 41503), (343, 28919), (539, 18403), (847, 11711), (1673, 5929), (2629, 3773)]