249560997

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{2137}}^1$

素因数の和:2297

約数の個数: 32

約数和(自身を含む): 390792192

約数和(自身を除く): 141231195

約数列:

[1, 3, 7, 21, 67, 83, 201, 249, 469, 581, 1407, 1743, 2137, 5561, 6411, 14959, 16683, 38927, 44877, 116781, 143179, 177371, 429537, 532113, 1002253, 1241597, 3006759, 3724791, 11883857, 35651571, 83186999, 249560997]

約数ペア:

[(1, 249560997), (3, 83186999), (7, 35651571), (21, 11883857), (67, 3724791), (83, 3006759), (201, 1241597), (249, 1002253), (469, 532113), (581, 429537), (1407, 177371), (1743, 143179), (2137, 116781), (5561, 44877), (6411, 38927), (14959, 16683)]