25293123

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 41184000

約数和(自身を除く): 15890877

約数列:

[1, 3, 9, 19, 23, 57, 59, 69, 109, 171, 177, 207, 327, 437, 531, 981, 1121, 1311, 1357, 2071, 2507, 3363, 3933, 4071, 6213, 6431, 7521, 10089, 12213, 18639, 19293, 22563, 25783, 47633, 57879, 77349, 122189, 142899, 147913, 232047, 366567, 428697, 443739, 1099701, 1331217, 2810347, 8431041, 25293123]

約数ペア:

[(1, 25293123), (3, 8431041), (9, 2810347), (19, 1331217), (23, 1099701), (57, 443739), (59, 428697), (69, 366567), (109, 232047), (171, 147913), (177, 142899), (207, 122189), (327, 77349), (437, 57879), (531, 47633), (981, 25783), (1121, 22563), (1311, 19293), (1357, 18639), (2071, 12213), (2507, 10089), (3363, 7521), (3933, 6431), (4071, 6213)]