28730745

素因数分解:

$3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1667}}^1$

素因数の和:2061

約数の個数: 24

約数和(自身を含む): 49959936

約数和(自身を除く): 21229191

約数列:

[1, 3, 5, 9, 15, 45, 383, 1149, 1667, 1915, 3447, 5001, 5745, 8335, 15003, 17235, 25005, 75015, 638461, 1915383, 3192305, 5746149, 9576915, 28730745]

約数ペア:

[(1, 28730745), (3, 9576915), (5, 5746149), (9, 3192305), (15, 1915383), (45, 638461), (383, 75015), (1149, 25005), (1667, 17235), (1915, 15003), (3447, 8335), (5001, 5745)]