27777645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{541}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 55466112

約数和(自身を除く): 27688467

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 163, 315, 489, 541, 815, 1141, 1467, 1623, 2445, 2705, 3423, 3787, 4869, 5705, 7335, 8115, 10269, 11361, 17115, 18935, 24345, 34083, 51345, 56805, 88183, 170415, 264549, 440915, 617281, 793647, 1322745, 1851843, 3086405, 3968235, 5555529, 9259215, 27777645]

約数ペア:

[(1, 27777645), (3, 9259215), (5, 5555529), (7, 3968235), (9, 3086405), (15, 1851843), (21, 1322745), (35, 793647), (45, 617281), (63, 440915), (105, 264549), (163, 170415), (315, 88183), (489, 56805), (541, 51345), (815, 34083), (1141, 24345), (1467, 18935), (1623, 17115), (2445, 11361), (2705, 10269), (3423, 8115), (3787, 7335), (4869, 5705)]