28340925

素因数分解:

$3^1\times 5^2\times {\mathrm{443}}^1\times {\mathrm{853}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 47017824

約数和(自身を除く): 18676899

約数列:

[1, 3, 5, 15, 25, 75, 443, 853, 1329, 2215, 2559, 4265, 6645, 11075, 12795, 21325, 33225, 63975, 377879, 1133637, 1889395, 5668185, 9446975, 28340925]

約数ペア:

[(1, 28340925), (3, 9446975), (5, 5668185), (15, 1889395), (25, 1133637), (75, 377879), (443, 63975), (853, 33225), (1329, 21325), (2215, 12795), (2559, 11075), (4265, 6645)]