201019791

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{3967}}^1$

素因数の和:4123

約数の個数: 32

約数和(自身を含む): 325058560

約数和(自身を除く): 124038769

約数列:

[1, 3, 7, 19, 21, 57, 127, 133, 381, 399, 889, 2413, 2667, 3967, 7239, 11901, 16891, 27769, 50673, 75373, 83307, 226119, 503809, 527611, 1511427, 1582833, 3526663, 9572371, 10579989, 28717113, 67006597, 201019791]

約数ペア:

[(1, 201019791), (3, 67006597), (7, 28717113), (19, 10579989), (21, 9572371), (57, 3526663), (127, 1582833), (133, 1511427), (381, 527611), (399, 503809), (889, 226119), (2413, 83307), (2667, 75373), (3967, 50673), (7239, 27769), (11901, 16891)]