5281563

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 9047040

約数和(自身を除く): 3765477

約数列:

[1, 3, 7, 19, 21, 31, 49, 57, 61, 93, 133, 147, 183, 217, 399, 427, 589, 651, 931, 1159, 1281, 1519, 1767, 1891, 2793, 2989, 3477, 4123, 4557, 5673, 8113, 8967, 12369, 13237, 24339, 28861, 35929, 39711, 56791, 86583, 92659, 107787, 170373, 251503, 277977, 754509, 1760521, 5281563]

約数ペア:

[(1, 5281563), (3, 1760521), (7, 754509), (19, 277977), (21, 251503), (31, 170373), (49, 107787), (57, 92659), (61, 86583), (93, 56791), (133, 39711), (147, 35929), (183, 28861), (217, 24339), (399, 13237), (427, 12369), (589, 8967), (651, 8113), (931, 5673), (1159, 4557), (1281, 4123), (1519, 3477), (1767, 2989), (1891, 2793)]