28125015

素因数分解:

$3^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1931}}^1$

素因数の和:2910

約数の個数: 16

約数和(自身を含む): 45069696

約数和(自身を除く): 16944681

約数列:

[1, 3, 5, 15, 971, 1931, 2913, 4855, 5793, 9655, 14565, 28965, 1875001, 5625003, 9375005, 28125015]

約数ペア:

[(1, 28125015), (3, 9375005), (5, 5625003), (15, 1875001), (971, 28965), (1931, 14565), (2913, 9655), (4855, 5793)]