15399025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 21293280

約数和(自身を除く): 5894255

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 1907, 8075, 9535, 32419, 36233, 47675, 162095, 181165, 615961, 810475, 905825, 3079805, 15399025]

約数ペア:

[(1, 15399025), (5, 3079805), (17, 905825), (19, 810475), (25, 615961), (85, 181165), (95, 162095), (323, 47675), (425, 36233), (475, 32419), (1615, 9535), (1907, 8075)]