201638943

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 345945600

約数和(自身を除く): 144306657

約数列:

[1, 3, 9, 11, 27, 29, 33, 41, 87, 99, 123, 261, 297, 319, 369, 451, 571, 783, 957, 1107, 1189, 1353, 1713, 2871, 3567, 4059, 5139, 6281, 8613, 10701, 12177, 13079, 15417, 16559, 18843, 23411, 32103, 39237, 49677, 56529, 70233, 117711, 149031, 169587, 182149, 210699, 257521, 353133, 447093, 546447, 632097, 678919, 772563, 1639341, 2036757, 2317689, 4918023, 6110271, 6953067, 7468109, 18330813, 22404327, 67212981, 201638943]

約数ペア:

[(1, 201638943), (3, 67212981), (9, 22404327), (11, 18330813), (27, 7468109), (29, 6953067), (33, 6110271), (41, 4918023), (87, 2317689), (99, 2036757), (123, 1639341), (261, 772563), (297, 678919), (319, 632097), (369, 546447), (451, 447093), (571, 353133), (783, 257521), (957, 210699), (1107, 182149), (1189, 169587), (1353, 149031), (1713, 117711), (2871, 70233), (3567, 56529), (4059, 49677), (5139, 39237), (6281, 32103), (8613, 23411), (10701, 18843), (12177, 16559), (13079, 15417)]