201581919

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2063}}^1$

素因数の和:2137

約数の個数: 64

約数和(自身を含む): 380436480

約数和(自身を除く): 178854561

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 47, 63, 77, 99, 141, 189, 231, 297, 329, 423, 517, 693, 987, 1269, 1551, 2063, 2079, 2961, 3619, 4653, 6189, 8883, 10857, 13959, 14441, 18567, 22693, 32571, 43323, 55701, 68079, 96961, 97713, 129969, 158851, 204237, 290883, 389907, 476553, 612711, 678727, 872649, 1066571, 1429659, 2036181, 2617947, 3199713, 4288977, 6108543, 7465997, 9599139, 18325629, 22397991, 28797417, 67193973, 201581919]

約数ペア:

[(1, 201581919), (3, 67193973), (7, 28797417), (9, 22397991), (11, 18325629), (21, 9599139), (27, 7465997), (33, 6108543), (47, 4288977), (63, 3199713), (77, 2617947), (99, 2036181), (141, 1429659), (189, 1066571), (231, 872649), (297, 678727), (329, 612711), (423, 476553), (517, 389907), (693, 290883), (987, 204237), (1269, 158851), (1551, 129969), (2063, 97713), (2079, 96961), (2961, 68079), (3619, 55701), (4653, 43323), (6189, 32571), (8883, 22693), (10857, 18567), (13959, 14441)]