28327545

素因数分解:

$3^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{911}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 49226112

約数和(自身を除く): 20898567

約数列:

[1, 3, 5, 9, 15, 45, 691, 911, 2073, 2733, 3455, 4555, 6219, 8199, 10365, 13665, 31095, 40995, 629501, 1888503, 3147505, 5665509, 9442515, 28327545]

約数ペア:

[(1, 28327545), (3, 9442515), (5, 5665509), (9, 3147505), (15, 1888503), (45, 629501), (691, 40995), (911, 31095), (2073, 13665), (2733, 10365), (3455, 8199), (4555, 6219)]