28628175

素因数分解:

$3^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{911}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 47496960

約数和(自身を除く): 18868785

約数列:

[1, 3, 5, 15, 25, 75, 419, 911, 1257, 2095, 2733, 4555, 6285, 10475, 13665, 22775, 31425, 68325, 381709, 1145127, 1908545, 5725635, 9542725, 28628175]

約数ペア:

[(1, 28628175), (3, 9542725), (5, 5725635), (15, 1908545), (25, 1145127), (75, 381709), (419, 68325), (911, 31425), (1257, 22775), (2095, 13665), (2733, 10475), (4555, 6285)]