5605551

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 10214400

約数和(自身を除く): 4608849

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 223, 399, 441, 513, 669, 931, 1197, 1323, 1561, 2007, 2793, 3591, 4237, 4683, 6021, 8379, 10927, 12711, 14049, 25137, 29659, 32781, 38133, 42147, 88977, 98343, 114399, 207613, 266931, 295029, 622839, 800793, 1868517, 5605551]

約数ペア:

[(1, 5605551), (3, 1868517), (7, 800793), (9, 622839), (19, 295029), (21, 266931), (27, 207613), (49, 114399), (57, 98343), (63, 88977), (133, 42147), (147, 38133), (171, 32781), (189, 29659), (223, 25137), (399, 14049), (441, 12711), (513, 10927), (669, 8379), (931, 6021), (1197, 4683), (1323, 4237), (1561, 3591), (2007, 2793)]