65867775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2719}}^1$

素因数の和:2768

約数の個数: 48

約数和(自身を含む): 121420800

約数和(自身を除く): 55553025

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 285, 323, 425, 475, 969, 1275, 1425, 1615, 2719, 4845, 8075, 8157, 13595, 24225, 40785, 46223, 51661, 67975, 138669, 154983, 203925, 231115, 258305, 693345, 774915, 878237, 1155575, 1291525, 2634711, 3466725, 3874575, 4391185, 13173555, 21955925, 65867775]

約数ペア:

[(1, 65867775), (3, 21955925), (5, 13173555), (15, 4391185), (17, 3874575), (19, 3466725), (25, 2634711), (51, 1291525), (57, 1155575), (75, 878237), (85, 774915), (95, 693345), (255, 258305), (285, 231115), (323, 203925), (425, 154983), (475, 138669), (969, 67975), (1275, 51661), (1425, 46223), (1615, 40785), (2719, 24225), (4845, 13595), (8075, 8157)]