206867775

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 351802880

約数和(自身を除く): 144935105

約数列:

[1, 3, 5, 15, 25, 61, 75, 103, 183, 305, 309, 439, 515, 915, 1317, 1525, 1545, 2195, 2575, 4575, 6283, 6585, 7725, 10975, 18849, 26779, 31415, 32925, 45217, 80337, 94245, 133895, 135651, 157075, 226085, 401685, 471225, 669475, 678255, 1130425, 2008425, 2758237, 3391275, 8274711, 13791185, 41373555, 68955925, 206867775]

約数ペア:

[(1, 206867775), (3, 68955925), (5, 41373555), (15, 13791185), (25, 8274711), (61, 3391275), (75, 2758237), (103, 2008425), (183, 1130425), (305, 678255), (309, 669475), (439, 471225), (515, 401685), (915, 226085), (1317, 157075), (1525, 135651), (1545, 133895), (2195, 94245), (2575, 80337), (4575, 45217), (6283, 32925), (6585, 31415), (7725, 26779), (10975, 18849)]