201720051

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8329}}^1$

素因数の和:8377

約数の個数: 40

約数和(自身を含む): 338664480

約数和(自身を除く): 136944429

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 621, 897, 1053, 1863, 2691, 8073, 8329, 24219, 24987, 74961, 108277, 191567, 224883, 324831, 574701, 674649, 974493, 1724103, 2490371, 2923479, 5172309, 7471113, 8770437, 15516927, 22413339, 67240017, 201720051]

約数ペア:

[(1, 201720051), (3, 67240017), (9, 22413339), (13, 15516927), (23, 8770437), (27, 7471113), (39, 5172309), (69, 2923479), (81, 2490371), (117, 1724103), (207, 974493), (299, 674649), (351, 574701), (621, 324831), (897, 224883), (1053, 191567), (1863, 108277), (2691, 74961), (8073, 24987), (8329, 24219)]