198370317

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 285491200

約数和(自身を除く): 87120883

約数列:

[1, 3, 19, 57, 67, 127, 201, 381, 409, 1227, 1273, 2413, 3819, 7239, 7771, 8509, 23313, 25527, 27403, 51943, 82209, 155829, 161671, 485013, 520657, 986917, 1561971, 2960751, 3480181, 10440543, 66123439, 198370317]

約数ペア:

[(1, 198370317), (3, 66123439), (19, 10440543), (57, 3480181), (67, 2960751), (127, 1561971), (201, 986917), (381, 520657), (409, 485013), (1227, 161671), (1273, 155829), (2413, 82209), (3819, 51943), (7239, 27403), (7771, 25527), (8509, 23313)]