9901197

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:750

約数の個数: 20

約数和(自身を含む): 14880096

約数和(自身を除く): 4978899

約数列:

[1, 3, 9, 27, 81, 251, 487, 753, 1461, 2259, 4383, 6777, 13149, 20331, 39447, 122237, 366711, 1100133, 3300399, 9901197]

約数ペア:

[(1, 9901197), (3, 3300399), (9, 1100133), (27, 366711), (81, 122237), (251, 39447), (487, 20331), (753, 13149), (1461, 6777), (2259, 4383)]