25620309

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 46073664

約数和(自身を除く): 20453355

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 1171, 1287, 1683, 1989, 2431, 3513, 7293, 10539, 12881, 15223, 19907, 21879, 38643, 45669, 59721, 115929, 137007, 167453, 179163, 218977, 258791, 502359, 656931, 776373, 1507077, 1970793, 2329119, 2846701, 8540103, 25620309]

約数ペア:

[(1, 25620309), (3, 8540103), (9, 2846701), (11, 2329119), (13, 1970793), (17, 1507077), (33, 776373), (39, 656931), (51, 502359), (99, 258791), (117, 218977), (143, 179163), (153, 167453), (187, 137007), (221, 115929), (429, 59721), (561, 45669), (663, 38643), (1171, 21879), (1287, 19907), (1683, 15223), (1989, 12881), (2431, 10539), (3513, 7293)]