15213275

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1129}}^1$

素因数の和:1164

約数の個数: 36

約数和(自身を含む): 23960520

約数和(自身を除く): 8747245

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 385, 539, 1129, 1225, 1925, 2695, 5645, 7903, 12419, 13475, 28225, 39515, 55321, 62095, 86933, 197575, 276605, 310475, 434665, 608531, 1383025, 2173325, 3042655, 15213275]

約数ペア:

[(1, 15213275), (5, 3042655), (7, 2173325), (11, 1383025), (25, 608531), (35, 434665), (49, 310475), (55, 276605), (77, 197575), (175, 86933), (245, 62095), (275, 55321), (385, 39515), (539, 28225), (1129, 13475), (1225, 12419), (1925, 7903), (2695, 5645)]