207631389

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{857}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 322882560

約数和(自身を除く): 115251171

約数列:

[1, 3, 7, 21, 83, 139, 249, 417, 581, 857, 973, 1743, 2571, 2919, 5999, 11537, 17997, 34611, 71131, 80759, 119123, 213393, 242277, 357369, 497917, 833861, 1493751, 2501583, 9887209, 29661627, 69210463, 207631389]

約数ペア:

[(1, 207631389), (3, 69210463), (7, 29661627), (21, 9887209), (83, 2501583), (139, 1493751), (249, 833861), (417, 497917), (581, 357369), (857, 242277), (973, 213393), (1743, 119123), (2571, 80759), (2919, 71131), (5999, 34611), (11537, 17997)]