207925137

素因数分解:

$3^5\times 7^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 358106112

約数和(自身を除く): 150180975

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 251, 487, 567, 753, 1461, 1701, 1757, 2259, 3409, 4383, 5271, 6777, 10227, 13149, 15813, 20331, 30681, 39447, 47439, 60993, 92043, 118341, 122237, 142317, 276129, 366711, 426951, 828387, 855659, 1100133, 2566977, 3300399, 7700931, 9901197, 23102793, 29703591, 69308379, 207925137]

約数ペア:

[(1, 207925137), (3, 69308379), (7, 29703591), (9, 23102793), (21, 9901197), (27, 7700931), (63, 3300399), (81, 2566977), (189, 1100133), (243, 855659), (251, 828387), (487, 426951), (567, 366711), (753, 276129), (1461, 142317), (1701, 122237), (1757, 118341), (2259, 92043), (3409, 60993), (4383, 47439), (5271, 39447), (6777, 30681), (10227, 20331), (13149, 15813)]