138499683

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1109}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 223065600

約数和(自身を除く): 84565917

約数列:

[1, 3, 7, 19, 21, 57, 133, 313, 399, 939, 1109, 2191, 3327, 5947, 6573, 7763, 17841, 21071, 23289, 41629, 63213, 124887, 147497, 347117, 442491, 1041351, 2429819, 6595223, 7289457, 19785669, 46166561, 138499683]

約数ペア:

[(1, 138499683), (3, 46166561), (7, 19785669), (19, 7289457), (21, 6595223), (57, 2429819), (133, 1041351), (313, 442491), (399, 347117), (939, 147497), (1109, 124887), (2191, 63213), (3327, 41629), (5947, 23289), (6573, 21071), (7763, 17841)]