26821305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{85147}}^1$

素因数の和:85165

約数の個数: 24

約数和(自身を含む): 53132352

約数和(自身を除く): 26311047

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 85147, 255441, 425735, 596029, 766323, 1277205, 1788087, 2980145, 3831615, 5364261, 8940435, 26821305]

約数ペア:

[(1, 26821305), (3, 8940435), (5, 5364261), (7, 3831615), (9, 2980145), (15, 1788087), (21, 1277205), (35, 766323), (45, 596029), (63, 425735), (105, 255441), (315, 85147)]