201819387

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6569}}^1$

素因数の和:6616

約数の個数: 48

約数和(自身を含む): 359510400

約数和(自身を除く): 157691013

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 399, 539, 627, 931, 1463, 1617, 2793, 4389, 6569, 10241, 19707, 30723, 45983, 72259, 124811, 137949, 216777, 321881, 374433, 505813, 873677, 965643, 1372921, 1517439, 2621031, 3540691, 4118763, 6115739, 9610447, 10622073, 18347217, 28831341, 67273129, 201819387]

約数ペア:

[(1, 201819387), (3, 67273129), (7, 28831341), (11, 18347217), (19, 10622073), (21, 9610447), (33, 6115739), (49, 4118763), (57, 3540691), (77, 2621031), (133, 1517439), (147, 1372921), (209, 965643), (231, 873677), (399, 505813), (539, 374433), (627, 321881), (931, 216777), (1463, 137949), (1617, 124811), (2793, 72259), (4389, 45983), (6569, 30723), (10241, 19707)]