28779015

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 48787200

約数和(自身を除く): 20008185

約数列:

[1, 3, 5, 15, 19, 57, 95, 241, 285, 419, 723, 1205, 1257, 2095, 3615, 4579, 6285, 7961, 13737, 22895, 23883, 39805, 68685, 100979, 119415, 302937, 504895, 1514685, 1918601, 5755803, 9593005, 28779015]

約数ペア:

[(1, 28779015), (3, 9593005), (5, 5755803), (15, 1918601), (19, 1514685), (57, 504895), (95, 302937), (241, 119415), (285, 100979), (419, 68685), (723, 39805), (1205, 23883), (1257, 22895), (2095, 13737), (3615, 7961), (4579, 6285)]