28277187

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 41395200

約数和(自身を除く): 13118013

約数列:

[1, 3, 19, 43, 57, 83, 129, 139, 249, 417, 817, 1577, 2451, 2641, 3569, 4731, 5977, 7923, 10707, 11537, 17931, 34611, 67811, 113563, 203433, 219203, 340689, 496091, 657609, 1488273, 9425729, 28277187]

約数ペア:

[(1, 28277187), (3, 9425729), (19, 1488273), (43, 657609), (57, 496091), (83, 340689), (129, 219203), (139, 203433), (249, 113563), (417, 67811), (817, 34611), (1577, 17931), (2451, 11537), (2641, 10707), (3569, 7923), (4731, 5977)]