28306725

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{6397}}^1$

素因数の和:6469

約数の個数: 24

約数和(自身を含む): 47601120

約数和(自身を除く): 19294395

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 6397, 19191, 31985, 95955, 159925, 377423, 479775, 1132269, 1887115, 5661345, 9435575, 28306725]

約数ペア:

[(1, 28306725), (3, 9435575), (5, 5661345), (15, 1887115), (25, 1132269), (59, 479775), (75, 377423), (177, 159925), (295, 95955), (885, 31985), (1475, 19191), (4425, 6397)]