28152345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6277}}^1$

素因数の和:6321

約数の個数: 32

約数和(自身を含む): 50625792

約数和(自身を除く): 22473447

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 6277, 18831, 31385, 81601, 94155, 144371, 244803, 408005, 433113, 721855, 1224015, 1876823, 2165565, 5630469, 9384115, 28152345]

約数ペア:

[(1, 28152345), (3, 9384115), (5, 5630469), (13, 2165565), (15, 1876823), (23, 1224015), (39, 721855), (65, 433113), (69, 408005), (115, 244803), (195, 144371), (299, 94155), (345, 81601), (897, 31385), (1495, 18831), (4485, 6277)]